ICD-10 M05.762
Billable / Specific HCC v28: 40Rheumatoid arthritis with rheumatoid factor of left knee without organ or systems involvement
About ICD-10-CM M05.762
ICD-10-CM code M05.762 represents Rheumatoid arthritis with rheumatoid factor of left knee without organ or systems involvement. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M05). The 2026 edition of ICD-10-CM M05.762 became effective on October 1, 2025.
Coding Tips for M05.762
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
M05.762 is a CMS-HCC v28 risk-adjustment code (category 40). To count for the patient Risk Adjustment Factor (RAF), document the diagnosis with MEAT language each calendar year: Monitored, Evaluated, Assessed, Treated. A diagnosis on the problem list alone does not satisfy CMS RADV audit standards. Include the diagnosis in the assessment with current status and current treatment plan.
Medicare Advantage HCC Impact
Capture this diagnosis annually for accurate risk adjustment. Missed HCC captures are the #1 revenue leak in Medicare Advantage risk programs.
Medicare LCD Coverage for M05.762
Local Coverage Determinations (LCDs) from CMS MACs that list M05.762 as a covered diagnosis.
Showing top 10 of 469 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing M05.762.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with M05.762
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 27134 CMS LCD: Billing and Coding: Major Joint Replacement (Hip and Knee) CMS LCD
- 27132 CMS LCD: Billing and Coding: Major Joint Replacement (Hip and Knee) CMS LCD
- 27138 CMS LCD: Billing and Coding: Major Joint Replacement (Hip and Knee) CMS LCD
- 27137 CMS LCD: Billing and Coding: Major Joint Replacement (Hip and Knee) CMS LCD
- 27487 CMS LCD: Billing and Coding: Major Joint Replacement (Hip and Knee) CMS LCD
- 27486 CMS LCD: Billing and Coding: Major Joint Replacement (Hip and Knee) CMS LCD
- 27445 CMS LCD: Billing and Coding: Total Joint Arthroplasty CMS LCD
- 0054T CMS LCD: Billing and Coding: Total Joint Arthroplasty CMS LCD
- 20985 CMS LCD: Billing and Coding: Total Joint Arthroplasty CMS LCD
- S2900 CMS LCD: Billing and Coding: Total Joint Arthroplasty CMS LCD
Convert M05.762 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| M05.762 | 7140 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To M05.762
Other codes in section M05-M14 (Inflammatory polyarthropathies).
ICD-10 M05.762, Billing FAQ
Is ICD-10 code M05.762 billable? +
Yes, M05.762 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Does M05.762 affect Medicare Advantage HCC risk adjustment? +
Yes. M05.762 maps to CMS-HCC v28 category 40. Capture this diagnosis annually for accurate Medicare Advantage risk score.
What CPT codes are commonly billed with M05.762? +
Procedures frequently paired with M05.762 include: 27134, 27132, 27138, 27137, 27487.
What ICD-9 codes does M05.762 map to? +
Per CMS GEMs, M05.762 maps to ICD-9 codes: 7140. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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