M06.379 Rheumatoid nodule, 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

• M06.362 Rheumatoid nodule, left knee
• M06.369 Rheumatoid nodule, unspecified knee
• M06.37 Rheumatoid nodule, ankle and foot
• M06.371 Rheumatoid nodule, right ankle and foot
• M06.372 Rheumatoid nodule, left ankle and foot
• M06.379 Rheumatoid nodule, unspecified ankle and foot (this code)
• M06.38 Rheumatoid nodule, vertebrae
• M06.39 Rheumatoid nodule, multiple sites
• M06.4 Inflammatory polyarthropathy
• M06.8 Other specified rheumatoid arthritis
• M06.80 Other specified rheumatoid arthritis, unspecified site