M06.879 Other specified rheumatoid arthritis, unspecified ankle and foot

Billable ICD-10-CM code, FY2026.

Risk adjustment (HCC)

• CMS-HCC V28: HCC 93 — Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders
• CMS-HCC V22: HCC 40 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
• RxHCC V08: HCC 83 — Rheumatoid Arthritis and Other Inflammatory Polyarthropathy
• ESRD V24: HCC 40

MS-DRG index

Defines the logic of DRG(s) 545-547 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 714.0 Rheumatoid arthritis (approximate)

Nearby codes

• M06.862 Other specified rheumatoid arthritis, left knee
• M06.869 Other specified rheumatoid arthritis, unspecified knee
• M06.87 Other specified rheumatoid arthritis, ankle and foot
• M06.871 Other specified rheumatoid arthritis, right ankle and foot
• M06.872 Other specified rheumatoid arthritis, left ankle and foot
• M06.879 Other specified rheumatoid arthritis, unspecified ankle and foot (this code)
• M06.88 Other specified rheumatoid arthritis, vertebrae
• M06.89 Other specified rheumatoid arthritis, multiple sites
• M06.8A Other specified rheumatoid arthritis, other specified site
• M06.9 Rheumatoid arthritis, unspecified