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Unitedhealth Group Inc – ‘10-K’ for 12/31/12 – ‘EX-101.SCH’

On:  Wednesday, 2/6/13, at 6:00pm ET   ·   As of:  2/7/13   ·   For:  12/31/12   ·   Accession #:  731766-13-5   ·   File #:  1-10864

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  As Of               Filer                 Filing    For·On·As Docs:Size

 2/07/13  Unitedhealth Group Inc            10-K       12/31/12  114:25M

Annual Report   —   Form 10-K   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   1.52M 
 2: EX-10.11    Material Contract                                   HTML     38K 
 3: EX-10.32    Material Contract                                   HTML     78K 
 4: EX-10.33    Material Contract                                   HTML     82K 
 5: EX-10.36    Material Contract                                   HTML    104K 
 6: EX-10.37    Material Contract                                   HTML     35K 
 8: EX-21.1     Subsidiaries List                                   HTML    229K 
 9: EX-23.1     Consent of Experts or Counsel                       HTML     34K 
10: EX-24.1     Power of Attorney                                   HTML     43K 
 7: EX-12.1     Statement re: Computation of Ratios                 HTML     47K 
11: EX-31.1     Certification -- §302 - SOA'02                      HTML     50K 
12: EX-32.1     Certification -- §906 - SOA'02                      HTML     38K 
78: R1          Document and Entity Information Document            HTML     62K 
63: R2          Condensed Consolidated Balance Sheets               HTML    164K 
74: R3          Condensed Consolidated Balance Sheet                HTML     69K 
                (Parenthetical) (Parentheticals)                                 
82: R4          Condensed Consolidated Statements of Operations     HTML    125K 
104: R5          Condensed Consolidated Statements of Comprehensive  HTML     92K  
                Income                                                           
65: R6          Condensed Consolidated Statements of Changes in     HTML    109K 
                Shareholders' Equity                                             
73: R7          Condensed Consolidated Statements of Cash Flows     HTML    173K 
57: R8          Description of Business                             HTML     38K 
47: R9          Basis of Presentation                               HTML    206K 
106: R10         Investments                                         HTML    270K  
84: R11         Fair Value                                          HTML    336K 
83: R12         Property, Equipment, and Capitalized Software       HTML     59K 
90: R13         Goodwill and Intangible Assets                      HTML    140K 
91: R14         Medical Costs and Medical Costs Payable             HTML     70K 
88: R15         Commercial Paper and Long-Term Debt                 HTML    216K 
92: R16         Income Taxes                                        HTML    158K 
75: R17         Shareholder's Equity                                HTML     65K 
79: R18         Share-Based Compensation                            HTML    119K 
86: R19         Commitments and Contingencies                       HTML     58K 
114: R20         Segment Financial Information                       HTML    307K  
100: R21         Quarterly Financial Data (Unaudited)                HTML     82K  
69: R22         Schedule I                                          HTML    195K 
85: R23         Basis of Presentation (Policy)                      HTML    185K 
71: R24         Fair Value Fair Value Policy (Policies)             HTML     50K 
38: R25         Income Taxes Income Tax (Policies)                  HTML     44K 
101: R26         Shareholder's Equity Shareholder's Equity           HTML     48K  
                (Policies)                                                       
110: R27         Share-Based Compensation Recognition (Policies)     HTML     52K  
52: R28         Segment Financial Information Segment Financial     HTML     43K 
                Information (Policies)                                           
51: R29         Basis of Presentation Basis of Presentation         HTML     75K 
                (Tables)                                                         
55: R30         Investments (Tables)                                HTML    268K 
56: R31         Fair Value (Tables)                                 HTML    324K 
58: R32         Property, Equipment, and Capitalized Software       HTML     58K 
                Property, Equipment, and Capitalized Software                    
                (Tables)                                                         
27: R33         Goodwill and Intangible Assets Goodwill and         HTML    141K 
                Intangible Assets(Tables)                                        
98: R34         Medical Costs and Medical Costs Payable Medical     HTML     72K 
                Cost Development (Tables)                                        
67: R35         Commercial Paper and Long-Term Debt (Tables)        HTML    210K 
70: R36         Income Taxes Income Tax (Tables)                    HTML    155K 
42: R37         Shareholder's Equity Shareholder's Equity (Tables)  HTML     43K 
113: R38         Share-Based Compensation (Tables)                   HTML    117K  
19: R39         Commitments and Contingencies Commitments and       HTML     46K 
                Contingencies (Tables)                                           
60: R40         Segment Financial Information (Tables)              HTML    292K 
103: R41         Quarterly Financial Data (Unaudited) Quarterly      HTML     80K  
                Financial Data (Unaudited) (Tables)                              
40: R42         Schedule I Schedule I (Tables)                      HTML    196K 
50: R43         Basis of Presentation Basis of Presentation Useful  HTML     37K 
                lives for property, equipment and capitalized                    
                software (Details)                                               
54: R44         Basis of Presentation Basis of Presentation         HTML     39K 
                Medicare Part D (Details)                                        
64: R45         Basis of Presentation Basis of Presentation         HTML     93K 
                Narrative (Details)                                              
26: R46         Investments (Narrative) (Details)                   HTML     37K 
46: R47         Investments (Short-Term and Long-Term Investments)  HTML     91K 
                (Details)                                                        
22: R48         Investments (Fair Value of Mortgage-Backed          HTML     54K 
                Securities by Credit Rating Origination) (Details)               
102: R49         Investments (Amortized Cost and Fair Value of       HTML     80K  
                Available-for-Sale Debt Securities by Contractual                
                Maturity) (Details)                                              
39: R50         Investments (Amortized Cost and Fair Value of       HTML     67K 
                Held-To-Maturity Debt Securities by Contractual                  
                Maturity) (Details)                                              
99: R51         Investments (Fair Value of Available-For-Sale       HTML     63K 
                Investments with Gross Unrealized Losses by                      
                Investment Type and Length of Time That Individual               
                Securities Have Been in a Continuous Unrealized                  
                Loss Position) (Details)                                         
43: R52         Investments (Net Realized Gains) (Details)          HTML     55K 
61: R53         Fair Value (Narrative) (Details)                    HTML     57K 
21: R54         Fair Value (Financial Assets and Liabilities,       HTML     76K 
                Excluding AARP, Measured at Fair Value on a                      
                Recurring Basis) (Details)                                       
24: R55         Fair Value (Financial Assets and Liabilities,       HTML     58K 
                Excluding AARP, Not Measured at Fair Value on a                  
                Recurring Basis) (Details)                                       
53: R56         Fair Value (Reconciliation of Assets Measured at    HTML     62K 
                Fair Value on a Recurring Basis Using Level 3                    
                Inputs) (Details)                                                
31: R57         Fair Value (Assets and Liabilities measured at      HTML     78K 
                fair value on a recurring basis) (Details)                       
107: R58         Fair Value Fair Value Inputs Assets Quantitative    HTML     43K  
                Information (Details)                                            
66: R59         Property, Equipment, and Capitalized Software       HTML     41K 
                Property, Equipment, and Capitalized Software                    
                Narrative (Details)                                              
89: R60         Property, Equipment, and Capitalized Software       HTML     63K 
                Property, Equipment, and Capitalized Software                    
                table (Details)                                                  
45: R61         Goodwill and Intangible Assets Goodwill and         HTML     90K 
                Intangible Assets Narrative (Details)                            
48: R62         Goodwill and Intangible Assets Goodwill (Changes    HTML     61K 
                in the Carrying Amount of Goodwill by Reporting                  
                Segment) (Details)                                               
96: R63         Goodwill and Intangible Assets Goodwill (Net        HTML     62K 
                Tangible Assets Acquired in Amil Acquisition)                    
                (Details)                                                        
93: R64         Goodwill and Intangible Assets Goodwill and Other   HTML     54K 
                Intangible Assets Gross carrying value,                          
                accumulated amortization and net carrying value of               
                intangible assets (Details)                                      
68: R65         Goodwill and Intangible Assets Goodwill and Other   HTML     44K 
                Intangible Assets Weighted-average useful lives                  
                assigned to finite-lived intangible assets                       
                acquired in business combinations (Details)                      
95: R66         Goodwill and Intangible Assets Goodwill and Other   HTML     43K 
                Intangible Assets Amortization Expense relating to               
                Intangible Assets (Details)                                      
44: R67         Medical Costs and Medical Costs Payable (Details)   HTML     35K 
72: R68         Medical Costs and Medical Costs Payable Medical     HTML     58K 
                Costs and Medical Costs Payable Rollforward                      
                (Details)                                                        
109: R69         Commercial Paper and Long-Term Debt (Narrative)     HTML     96K  
                (Details)                                                        
23: R70         Commercial Paper and Long-Term Debt (Commercial     HTML    107K 
                Paper and Long-Term Debt) (Details)                              
37: R71         Commercial Paper and Long-Term Debt Commercial      HTML     51K 
                Paper and Long-Term Debt Maturities of commercial                
                paper and long-term debt (Details)                               
62: R72         Income Taxes Income Tax Narrative (Details)         HTML     53K 
29: R73         Income Taxes Income Taxes Components of the         HTML     59K 
                provision for income taxes (Details)                             
112: R74         Income Taxes Income Taxes Reconciliation of the     HTML     81K  
                tax provision at the U.S. Federal Statutory Rate                 
                to the provision for income taxes (Details)                      
41: R75         Income Taxes Income taxes components of deferred    HTML    105K 
                tax assets and liabilities (Details)                             
32: R76         Income Taxes Income Taxes Reconciliation of the     HTML     53K 
                beginning and ending amount of unrecognized tax                  
                benefits (Details)                                               
36: R77         Shareholder's Equity Shareholder's Equity           HTML     80K 
                (Details)                                                        
25: R78         Share-Based Compensation (Narrative) (Details)      HTML     40K 
28: R79         Share-Based Compensation (Stock Option and SAR      HTML     88K 
                Activity) (Details)                                              
80: R80         Share-Based Compensation (Restricted Share          HTML     62K 
                Activity) (Details)                                              
34: R81         Share-Based Compensation Other Share-Based          HTML     69K 
                Compensation Data (Details)                                      
108: R82         Share-Based Compensation (Share-Based Compensation  HTML     52K  
                Principal Fair Value Assumptions) (Details)                      
59: R83         Commitments and Contingencies (Details)             HTML     41K 
87: R84         Commitments and Contingencies Future Lease          HTML     55K 
                Payments (Details)                                               
94: R85         Segment Financial Information (Details)             HTML    147K 
33: R86         Segment Financial Information Segment Financial     HTML     42K 
                Information (Narrative) (Details)                                
35: R87         Quarterly Financial Data (Unaudited) Quarterly      HTML     62K 
                Financial Data (Unaudited) (Details)                             
105: R88         Schedule I (Details)                                HTML     56K  
30: R89         Schedule I Schedule I Condensed Balance Sheet       HTML    117K 
                (Details)                                                        
81: R90         Schedule I Schedule I Condensed Balanch Sheet       HTML     59K 
                (Parentheticals) (Details)                                       
77: R91         Schedule I Schedule I Condensed Statment of         HTML     90K 
                Operations (Details)                                             
97: R92         Schedule I Schedule I Statement of Cash Flows       HTML    105K 
                (Details)                                                        
76: R93         Schedule I Parent Commercial Paper and Long-Term    HTML     48K 
                Debt Maturities of commercial paper and long-term                
                debt (Details)                                                   
111: XML         IDEA XML File -- Filing Summary                      XML    178K  
49: EXCEL       IDEA Workbook of Financial Reports (.xls)            XLS   4.30M 
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15: EX-101.CAL  XBRL Calculations -- unh-20121231_cal                XML    305K 
16: EX-101.DEF  XBRL Definitions -- unh-20121231_def                 XML   1.35M 
17: EX-101.LAB  XBRL Labels -- unh-20121231_lab                      XML   2.60M 
18: EX-101.PRE  XBRL Presentations -- unh-20121231_pre               XML   1.67M 
14: EX-101.SCH  XBRL Schema -- unh-20121231                          XSD    274K 
20: ZIP         XBRL Zipped Folder -- 0000731766-13-000005-xbrl      Zip    462K 


‘EX-101.SCH’   —   XBRL Schema — unh-20121231


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
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<link:definition> 1004000 - Statement - Condensed Consolidated Statements of Comprehensive Income </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 1003000 - Statement - Condensed Consolidated Statements of Operations </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2102100 - Disclosure - Description of Business </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2402402 - Disclosure - Description of Business (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2302301 - Disclosure - Description of Business (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 0001000 - Document - Document and Entity Information Document </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2106100 - Disclosure - Fair Value </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2406407 - Disclosure - Fair Value (Assets and Liabilities measured at fair value on a recurring basis) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2406408 - Disclosure - Fair Value Fair Value Inputs Assets Quantitative Information (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="FairValueFairValuePolicyPolicies" roleURI="http://www.uhc.com/role/FairValueFairValuePolicyPolicies">
<link:definition> 2206201 - Disclosure - Fair Value Fair Value Policy (Policies) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2406404 - Disclosure - Fair Value (Financial Assets and Liabilities, Excluding AARP, Measured at Fair Value on a Recurring Basis) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2406405 - Disclosure - Fair Value (Financial Assets and Liabilities, Excluding AARP, Not Measured at Fair Value on a Recurring Basis) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="FairValueNarrativeDetails" roleURI="http://www.uhc.com/role/FairValueNarrativeDetails">
<link:definition> 2406403 - Disclosure - Fair Value (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2406406 - Disclosure - Fair Value (Reconciliation of Assets Measured at Fair Value on a Recurring Basis Using Level 3 Inputs) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="FairValueTables" roleURI="http://www.uhc.com/role/FairValueTables">
<link:definition> 2306302 - Disclosure - Fair Value (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="GoodwillAndIntangibleAssets" roleURI="http://www.uhc.com/role/GoodwillAndIntangibleAssets">
<link:definition> 2115100 - Disclosure - Goodwill and Intangible Assets </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2415402 - Disclosure - Goodwill and Intangible Assets Goodwill and Intangible Assets Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="GoodwillAndIntangibleAssetsGoodwillAndIntangibleAssetstables" roleURI="http://www.uhc.com/role/GoodwillAndIntangibleAssetsGoodwillAndIntangibleAssetstables">
<link:definition> 2315301 - Disclosure - Goodwill and Intangible Assets Goodwill and Intangible Assets(Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="GoodwillAndIntangibleAssetsGoodwillAndOtherIntangibleAssetsAmortizationExpenseRelatingToIntangibleAssetsDetails" roleURI="http://www.uhc.com/role/GoodwillAndIntangibleAssetsGoodwillAndOtherIntangibleAssetsAmortizationExpenseRelatingToIntangibleAssetsDetails">
<link:definition> 2415407 - Disclosure - Goodwill and Intangible Assets Goodwill and Other Intangible Assets Amortization Expense relating to Intangible Assets (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2415405 - Disclosure - Goodwill and Intangible Assets Goodwill and Other Intangible Assets Gross carrying value, accumulated amortization and net carrying value of intangible assets (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2415406 - Disclosure - Goodwill and Intangible Assets Goodwill and Other Intangible Assets Weighted-average useful lives assigned to finite-lived intangible assets acquired in business combinations (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="GoodwillAndIntangibleAssetsGoodwillChangesInCarryingAmountOfGoodwillByReportingSegmentDetails" roleURI="http://www.uhc.com/role/GoodwillAndIntangibleAssetsGoodwillChangesInCarryingAmountOfGoodwillByReportingSegmentDetails">
<link:definition> 2415403 - Disclosure - Goodwill and Intangible Assets Goodwill (Changes in the Carrying Amount of Goodwill by Reporting Segment) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2415404 - Disclosure - Goodwill and Intangible Assets Goodwill (Net Tangible Assets Acquired in Amil Acquisition) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxes" roleURI="http://www.uhc.com/role/IncomeTaxes">
<link:definition> 2118100 - Disclosure - Income Taxes </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxesIncomeTaxNarrativeDetails" roleURI="http://www.uhc.com/role/IncomeTaxesIncomeTaxNarrativeDetails">
<link:definition> 2418403 - Disclosure - Income Taxes Income Tax Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="IncomeTaxesIncomeTaxPolicies" roleURI="http://www.uhc.com/role/IncomeTaxesIncomeTaxPolicies">
<link:definition> 2218201 - Disclosure - Income Taxes Income Tax (Policies) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxesIncomeTaxTables" roleURI="http://www.uhc.com/role/IncomeTaxesIncomeTaxTables">
<link:definition> 2318302 - Disclosure - Income Taxes Income Tax (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="IncomeTaxesIncomeTaxesComponentsOfDeferredTaxAssetsAndLiabilitiesDetails" roleURI="http://www.uhc.com/role/IncomeTaxesIncomeTaxesComponentsOfDeferredTaxAssetsAndLiabilitiesDetails">
<link:definition> 2418406 - Disclosure - Income Taxes Income taxes components of deferred tax assets and liabilities (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="IncomeTaxesIncomeTaxesComponentsOfProvisionForIncomeTaxesDetails" roleURI="http://www.uhc.com/role/IncomeTaxesIncomeTaxesComponentsOfProvisionForIncomeTaxesDetails">
<link:definition> 2418404 - Disclosure - Income Taxes Income Taxes Components of the provision for income taxes (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="IncomeTaxesIncomeTaxesReconciliationOfBeginningAndEndingAmountOfUnrecognizedTaxBenefitsDetails" roleURI="http://www.uhc.com/role/IncomeTaxesIncomeTaxesReconciliationOfBeginningAndEndingAmountOfUnrecognizedTaxBenefitsDetails">
<link:definition> 2418407 - Disclosure - Income Taxes Income Taxes Reconciliation of the beginning and ending amount of unrecognized tax benefits (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2418405 - Disclosure - Income Taxes Income Taxes Reconciliation of the tax provision at the U.S. Federal Statutory Rate to the provision for income taxes (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="Investments" roleURI="http://www.uhc.com/role/Investments">
<link:definition> 2105100 - Disclosure - Investments </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="InvestmentsAmortizedCostAndFairValueOfAvailableForSaleDebtSecuritiesByContractualMaturityDetails" roleURI="http://www.uhc.com/role/InvestmentsAmortizedCostAndFairValueOfAvailableForSaleDebtSecuritiesByContractualMaturityDetails">
<link:definition> 2405405 - Disclosure - Investments (Amortized Cost and Fair Value of Available-for-Sale Debt Securities by Contractual Maturity) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="InvestmentsAmortizedCostAndFairValueOfHeldToMaturityDebtSecuritiesByContractualMaturityDetails" roleURI="http://www.uhc.com/role/InvestmentsAmortizedCostAndFairValueOfHeldToMaturityDebtSecuritiesByContractualMaturityDetails">
<link:definition> 2405406 - Disclosure - Investments (Amortized Cost and Fair Value of Held-To-Maturity Debt Securities by Contractual Maturity) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="InvestmentsFairValueOfAvailableForSaleInvestmentsWithGrossUnrealizedLossesByInvestmentTypeAndLengthOfTimeThatIndividualSecuritiesHaveBeenInContinuousUnrealizedLossPositionDetails" roleURI="http://www.uhc.com/role/InvestmentsFairValueOfAvailableForSaleInvestmentsWithGrossUnrealizedLossesByInvestmentTypeAndLengthOfTimeThatIndividualSecuritiesHaveBeenInContinuousUnrealizedLossPositionDetails">
<link:definition> 2405407 - Disclosure - Investments (Fair Value of Available-For-Sale Investments with Gross Unrealized Losses by Investment Type and Length of Time That Individual Securities Have Been in a Continuous Unrealized Loss Position) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="InvestmentsFairValueOfMortgageBackedSecuritiesByCreditRatingOriginationDetails" roleURI="http://www.uhc.com/role/InvestmentsFairValueOfMortgageBackedSecuritiesByCreditRatingOriginationDetails">
<link:definition> 2405404 - Disclosure - Investments (Fair Value of Mortgage-Backed Securities by Credit Rating Origination) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2405402 - Disclosure - Investments (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="InvestmentsNetRealizedGainsDetails" roleURI="http://www.uhc.com/role/InvestmentsNetRealizedGainsDetails">
<link:definition> 2405408 - Disclosure - Investments (Net Realized Gains) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="InvestmentsShortTermAndLongTermInvestmentsDetails" roleURI="http://www.uhc.com/role/InvestmentsShortTermAndLongTermInvestmentsDetails">
<link:definition> 2405403 - Disclosure - Investments (Short-Term and Long-Term Investments) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="InvestmentsTables" roleURI="http://www.uhc.com/role/InvestmentsTables">
<link:definition> 2305301 - Disclosure - Investments (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="MedicalCostsAndMedicalCostsPayable" roleURI="http://www.uhc.com/role/MedicalCostsAndMedicalCostsPayable">
<link:definition> 2116100 - Disclosure - Medical Costs and Medical Costs Payable </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="MedicalCostsAndMedicalCostsPayableDetails" roleURI="http://www.uhc.com/role/MedicalCostsAndMedicalCostsPayableDetails">
<link:definition> 2416402 - Disclosure - Medical Costs and Medical Costs Payable (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="MedicalCostsAndMedicalCostsPayableMedicalCostDevelopmentTables" roleURI="http://www.uhc.com/role/MedicalCostsAndMedicalCostsPayableMedicalCostDevelopmentTables">
<link:definition> 2316301 - Disclosure - Medical Costs and Medical Costs Payable Medical Cost Development (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="MedicalCostsAndMedicalCostsPayableMedicalCostsAndMedicalCostsPayableRollforwardDetails" roleURI="http://www.uhc.com/role/MedicalCostsAndMedicalCostsPayableMedicalCostsAndMedicalCostsPayableRollforwardDetails">
<link:definition> 2416403 - Disclosure - Medical Costs and Medical Costs Payable Medical Costs and Medical Costs Payable Rollforward (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="PropertyEquipmentAndCapitalizedSoftware" roleURI="http://www.uhc.com/role/PropertyEquipmentAndCapitalizedSoftware">
<link:definition> 2114100 - Disclosure - Property, Equipment, and Capitalized Software </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="PropertyEquipmentAndCapitalizedSoftwarePropertyEquipmentAndCapitalizedSoftwareNarrativeDetails" roleURI="http://www.uhc.com/role/PropertyEquipmentAndCapitalizedSoftwarePropertyEquipmentAndCapitalizedSoftwareNarrativeDetails">
<link:definition> 2414402 - Disclosure - Property, Equipment, and Capitalized Software Property, Equipment, and Capitalized Software Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="PropertyEquipmentAndCapitalizedSoftwarePropertyEquipmentAndCapitalizedSoftwareTableDetails" roleURI="http://www.uhc.com/role/PropertyEquipmentAndCapitalizedSoftwarePropertyEquipmentAndCapitalizedSoftwareTableDetails">
<link:definition> 2414403 - Disclosure - Property, Equipment, and Capitalized Software Property, Equipment, and Capitalized Software table (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="PropertyEquipmentAndCapitalizedSoftwarePropertyEquipmentAndCapitalizedSoftwareTables" roleURI="http://www.uhc.com/role/PropertyEquipmentAndCapitalizedSoftwarePropertyEquipmentAndCapitalizedSoftwareTables">
<link:definition> 2314301 - Disclosure - Property, Equipment, and Capitalized Software Property, Equipment, and Capitalized Software (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="QuarterlyFinancialDataUnaudited" roleURI="http://www.uhc.com/role/QuarterlyFinancialDataUnaudited">
<link:definition> 2123100 - Disclosure - Quarterly Financial Data (Unaudited) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="QuarterlyFinancialDataUnauditedQuarterlyFinancialDataUnauditedDetails" roleURI="http://www.uhc.com/role/QuarterlyFinancialDataUnauditedQuarterlyFinancialDataUnauditedDetails">
<link:definition> 2423403 - Disclosure - Quarterly Financial Data (Unaudited) Quarterly Financial Data (Unaudited) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="QuarterlyFinancialDataUnauditedQuarterlyFinancialDataUnauditedTables" roleURI="http://www.uhc.com/role/QuarterlyFinancialDataUnauditedQuarterlyFinancialDataUnauditedTables">
<link:definition> 2323301 - Disclosure - Quarterly Financial Data (Unaudited) Quarterly Financial Data (Unaudited) (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
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<link:definition> 2124100 - Disclosure - Schedule I </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
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<link:definition> 2424402 - Disclosure - Schedule I (Details) </link:definition>
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<xsd:element abstract="true" id="unh_FivePercentSeniorUnsecuredNotesDueAugust2014Member" name="FivePercentSeniorUnsecuredNotesDueAugust2014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FivePointEightPercentSeniorUnsecuredNotesDueMarchTwoThousandThirtySixMember" name="FivePointEightPercentSeniorUnsecuredNotesDueMarchTwoThousandThirtySixMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FivePointFivePercentSeniorUnsecuredNotesDueNovember2012Member" name="FivePointFivePercentSeniorUnsecuredNotesDueNovember2012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FivePointNineFiveSeniorUnsecuredNotesDueFebrurary2041Member" name="FivePointNineFiveSeniorUnsecuredNotesDueFebrurary2041Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FivePointSevenPercentSeniorUnsecuredNotesDueOctoberTwoThousandFortyMember" name="FivePointSevenPercentSeniorUnsecuredNotesDueOctoberTwoThousandFortyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FivePointThreeSevenFivePercentSeniorUnsecuredNotesDueMarch2016Member" name="FivePointThreeSevenFivePercentSeniorUnsecuredNotesDueMarch2016Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FivePointThreeSixPercentSeniorUnsecuredNotesDueNovember2016Member" name="FivePointThreeSixPercentSeniorUnsecuredNotesDueNovember2016Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FiveYear30BillionCreditFacilityMember" name="FiveYear30BillionCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_ForeignCurrencyTranslationGainsLossesDomain" name="ForeignCurrencyTranslationGainsLossesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_ForeignCurrencyTranslationLossesAxis" name="ForeignCurrencyTranslationLossesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_ForeignSubsidiaryDebtSecuritesMember" name="ForeignSubsidiaryDebtSecuritesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FourPointEightSevenFivePercentSeniorUnsecuredNotesDueApril2013Member" name="FourPointEightSevenFivePercentSeniorUnsecuredNotesDueApril2013Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FourPointEightSevenFivePercentSeniorUnsecuredNotesDueMarch2015Member" name="FourPointEightSevenFivePercentSeniorUnsecuredNotesDueMarch2015Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FourPointEightSevenFiveSeniorUnsecuredNotesDueFebrurary2013Member" name="FourPointEightSevenFiveSeniorUnsecuredNotesDueFebrurary2013Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FourPointSevenFiveSeniorUnsecuredNotesDueFebruray2014Member" name="FourPointSevenFiveSeniorUnsecuredNotesDueFebruray2014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FourPointSevenPercentageSeniorUnsecuredNotesDueFebruaryTwoThousandTwentyOneMember" name="FourPointSevenPercentageSeniorUnsecuredNotesDueFebruaryTwoThousandTwentyOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FourPointSixTwoFivePercentSeniorUnsecuredNotesDueNovember2041Member" name="FourPointSixTwoFivePercentSeniorUnsecuredNotesDueNovember2041Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FourPointThreeSevenFivePercentSeniorUnsecuredNotesDueMarch2022MemberMember" name="FourPointThreeSevenFivePercentSeniorUnsecuredNotesDueMarch2022MemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FourPointThreeSevenFivePercentSeniorUnsecuredNotesDueMarch2042Member" name="FourPointThreeSevenFivePercentSeniorUnsecuredNotesDueMarch2042Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FurnitureFixturesAndEquipmentMember" name="FurnitureFixturesAndEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_FutureMinimumAnnualLeasePaymentsAbstract" name="FutureMinimumAnnualLeasePaymentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_FuturePolicyBenefitsAndReinsuranceReceivablesPolicyPolicyTextBlock" name="FuturePolicyBenefitsAndReinsuranceReceivablesPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_GoodwillAndIntangibleAssetsAbstract" name="GoodwillAndIntangibleAssetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_GoodwillNetTangibleAssetsAcquiredInAmilAcquisitionAbstract" name="GoodwillNetTangibleAssetsAcquiredInAmilAcquisitionAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_IncomeTaxAbstract" name="IncomeTaxAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_IncomeTaxPoliciesOtherPolicyTextBlock" name="IncomeTaxPoliciesOtherPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_IntangibleAssetsGross" name="IntangibleAssetsGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="unh_IntercompanyNoteMember" name="IntercompanyNoteMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_InterestIncomeAndRealizedGainsRelatedToAssetsUnderManagement" name="InterestIncomeAndRealizedGainsRelatedToAssetsUnderManagement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="unh_InterestRateSwapTermination" name="InterestRateSwapTermination" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="unh_InvestmentsAmortizedCost" name="InvestmentsAmortizedCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="unh_InvestmentsGrossUnrealizedGains" name="InvestmentsGrossUnrealizedGains" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="unh_InvestmentsGrossUnrealizedLosses" name="InvestmentsGrossUnrealizedLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="unh_IpcaAnd761SubsidiaryFloatingDebtDueOctober2015Member" name="IpcaAnd761SubsidiaryFloatingDebtDueOctober2015Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_LiabilityForClaimsAndClaimsAdjustmentExpenseRelatedToAcquisitions" name="LiabilityForClaimsAndClaimsAdjustmentExpenseRelatedToAcquisitions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="unh_LossOfParentCompany" name="LossOfParentCompany" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="unh_MandatedDiscountsOnBrandNamePrescriptionDrugsUnderMedicarePartDProgram" name="MandatedDiscountsOnBrandNamePrescriptionDrugsUnderMedicarePartDProgram" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
<xsd:element id="unh_MandatedDiscountsOnGenericPrescriptionDrugsUnderMedicarePartDProgram" name="MandatedDiscountsOnGenericPrescriptionDrugsUnderMedicarePartDProgram" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="unh_MarketApproachAxis" name="MarketApproachAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_MarketApproachDomain" name="MarketApproachDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_MaximumPercentageOfIndebtednessToTotalNetCapitalBankCovenant" name="MaximumPercentageOfIndebtednessToTotalNetCapitalBankCovenant" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="unh_MedicalCostAndMedicalCostRollForwardLineItems" name="MedicalCostAndMedicalCostRollForwardLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_MedicalCostAndMedicalCostRollForwardTable" name="MedicalCostAndMedicalCostRollForwardTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_MedicalCostsAndMedicalCostsPayableAbstract" name="MedicalCostsAndMedicalCostsPayableAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_MedicalCostsMedicalCostsPayableDisclosurePolicyPolicyTextBlock" name="MedicalCostsMedicalCostsPayableDisclosurePolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_MedicalCostsMedicalCostsPayableDisclosureTextBlock" name="MedicalCostsMedicalCostsPayableDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_MedicarePartDAnnualOutOfPocketMaximum" name="MedicarePartDAnnualOutOfPocketMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="unh_MedicarePartDAnnualOutOfPocketMaximumMember" name="MedicarePartDAnnualOutOfPocketMaximumMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_MedicarePartDCatastrophicCoverage" name="MedicarePartDCatastrophicCoverage" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="unh_MedicarePartDCatastrophicCoverageMember" name="MedicarePartDCatastrophicCoverageMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_MedicarePartDInitialCoverage" name="MedicarePartDInitialCoverage" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="unh_MedicarePartDInitialCoverageLimitMember" name="MedicarePartDInitialCoverageLimitMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_MedicarePartDPharmacyBenefitsContractAxis" name="MedicarePartDPharmacyBenefitsContractAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_MedicarePartDPharmacyBenefitsContractDomain" name="MedicarePartDPharmacyBenefitsContractDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_MedicarePartDPolicyPolicyTextBlock" name="MedicarePartDPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_Member" name="Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_NetUnrealizedGainsLossesOnInvestmentsAxis" name="NetUnrealizedGainsLossesOnInvestmentsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_NetUnrealizedGainsOnInvestmentsDomain" name="NetUnrealizedGainsOnInvestmentsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_NumberOfBanksThatCompriseRevolvingBankCreditFacility" name="NumberOfBanksThatCompriseRevolvingBankCreditFacility" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant"/>
<xsd:element id="unh_NumberOfDaysNoticeRequiredToCancelHealthInsuranceContract" name="NumberOfDaysNoticeRequiredToCancelHealthInsuranceContract" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_NumberOfYearsOfRevolvingBankCredit" name="NumberOfYearsOfRevolvingBankCredit" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_OnePointEightSevenFivePercentSeniorUnsecuredNotesDueNovember2016Member" name="OnePointEightSevenFivePercentSeniorUnsecuredNotesDueNovember2016Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_OptumhealthMember" name="OptumhealthMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_OptuminsightMember" name="OptuminsightMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_OptumrxMember" name="OptumrxMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_OriginationIn2007Member" name="OriginationIn2007Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_OtherPolicyLiabilitiesPolicyTextBlock" name="OtherPolicyLiabilitiesPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_OtherShareBasedCompensationDataAbstract" name="OtherShareBasedCompensationDataAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_ParentDebtMaturityAbstract" name="ParentDebtMaturityAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_People" name="People" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant"/>
<xsd:element id="unh_PolicyAcquisitionCostsPolicyPolicyTextBlock" name="PolicyAcquisitionCostsPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_PreTwoThousandSixMember" name="PreTwoThousandSixMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_PropertyEquipmentAndCapitalizedSoftwareAbstract" name="PropertyEquipmentAndCapitalizedSoftwareAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_PropertyPlantAndEquipmentExcludingCapitalizedComputerSoftwareNet" name="PropertyPlantAndEquipmentExcludingCapitalizedComputerSoftwareNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="unh_QuarterlyAmountSinceMay2011Member" name="QuarterlyAmountSinceMay2011Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_QuaterlyFinancialDataAbstract" name="QuaterlyFinancialDataAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_QuaterlyFinancialDataUnauditedAbstract" name="QuaterlyFinancialDataUnauditedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_RateStabilizationFund" name="RateStabilizationFund" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="unh_RecentTransactionsMember" name="RecentTransactionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_ReinsuranceReceivableNonCurrentMember" name="ReinsuranceReceivableNonCurrentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_ReinsuranceRecievableCurrentMember" name="ReinsuranceRecievableCurrentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_RemainingNoncontrollingInterestMember" name="RemainingNoncontrollingInterestMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_RiskShareMember" name="RiskShareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_ScheduleIAbstract" name="ScheduleIAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_ScheduleOfDividendsPaidTableTextBlock" name="ScheduleOfDividendsPaidTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_ScheduleOfOtherCurrentReceivablesAndOtherPolicyLiabilitiesAssociatedWithMedicarePartDProgramTableTextBlock" name="ScheduleOfOtherCurrentReceivablesAndOtherPolicyLiabilitiesAssociatedWithMedicarePartDProgramTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_SecuritiesByOriginationAxis" name="SecuritiesByOriginationAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_SecuritiesByOriginationDomain" name="SecuritiesByOriginationDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_ShareBasedCompensationArrangementByShareBasedPaymentPlanAwardOptionsAwardExercisablePeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentPlanAwardOptionsAwardExercisablePeriod" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_ShareholdersEquityAbstract" name="ShareholdersEquityAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_ShareholdersRightToPutYears" name="ShareholdersRightToPutYears" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_SharesPurchasedOfNoncontrollingInterest" name="SharesPurchasedOfNoncontrollingInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="unh_SixPercentSeniorUnsecuredNotesDueJuneTwoThousandSeventeenMember" name="SixPercentSeniorUnsecuredNotesDueJuneTwoThousandSeventeenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_SixPointEightSevenFivePercentSeniorUnsecuredNotesDueFebruray2038Member" name="SixPointEightSevenFivePercentSeniorUnsecuredNotesDueFebruray2038Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_SixPointFivePercentSeniorUnsecuredNotesDueJuneTwoThousandThirtySevenMember" name="SixPointFivePercentSeniorUnsecuredNotesDueJuneTwoThousandThirtySevenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_SixPointSixTwoFivePercentSeniorUnsecuredNotesDueNovember2037Member" name="SixPointSixTwoFivePercentSeniorUnsecuredNotesDueNovember2037Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_SixPointZeroPercentSeniorUnsecuredNotesDueNovember2017Member" name="SixPointZeroPercentSeniorUnsecuredNotesDueNovember2017Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_SixPointZeroSeniorUnsecuredNotesDueFebruaryTwoThousandEighteenMember" name="SixPointZeroSeniorUnsecuredNotesDueFebruaryTwoThousandEighteenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_StepAcquisitionAxis" name="StepAcquisitionAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_StepAcquisitionDomain" name="StepAcquisitionDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_StepAquisitionAxis" name="StepAquisitionAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_StepAquisitionDomain" name="StepAquisitionDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_StepFourMember" name="StepFourMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_StepOneMember" name="StepOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_StepThreeMember" name="StepThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_StepTwoMember" name="StepTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_StockOptionsAndSarsMemberMember" name="StockOptionsAndSarsMemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_SuretyBondsOutstanding" name="SuretyBondsOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="unh_ThreePointEightSevenFivePercentSeniorUnsecuredNotesDueOctober2020Member" name="ThreePointEightSevenFivePercentSeniorUnsecuredNotesDueOctober2020Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_ThreePointThreeSevenFivePercentSeniorUnsecuredNotesDueNovember2021Member" name="ThreePointThreeSevenFivePercentSeniorUnsecuredNotesDueNovember2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_TotalNumberOfSecurityPositions" name="TotalNumberOfSecurityPositions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="unh_TotalOptumMember" name="TotalOptumMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_TrademarksAndTechnologyMember" name="TrademarksAndTechnologyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_TwoPointEightSevenFiveSeniorUnsecuredNotesDueMarch2022Member" name="TwoPointEightSevenFiveSeniorUnsecuredNotesDueMarch2022Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_TwoThousandElevenMember" name="TwoThousandElevenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_TwoThousandSixMember" name="TwoThousandSixMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_TwoThousandTenMember" name="TwoThousandTenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_TwoThousandTwelveMember" name="TwoThousandTwelveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_UndrawnLettersOfCredit" name="UndrawnLettersOfCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="unh_UnitedhealthcareMember" name="UnitedhealthcareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="unh_VarianceOfRiskShare" name="VarianceOfRiskShare" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="unh_ZeroCouponSeniorUnsecuredNotesDueNovemberTwoThousandTwentyTwoMember" name="ZeroCouponSeniorUnsecuredNotesDueNovemberTwoThousandTwentyTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
</xsd:schema>


5 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/24/23  UnitedHealth Group Inc.           10-K       12/31/22  119:19M
 2/15/22  UnitedHealth Group Inc.           10-K       12/31/21  113:19M
 3/01/21  UnitedHealth Group Inc.           10-K       12/31/20  107:17M
 5/22/13  SEC                               UPLOAD10/06/17    1:34K  Unitedhealth Group Inc.
 3/21/13  SEC                               UPLOAD10/06/17    1:161K Unitedhealth Group Inc.
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