M06.00 Rheumatoid arthritis without rheumatoid factor, unspecified site

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)

Diagnosis Index entries for M06.00

• Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) › rheumatoid › seronegative

Nearby codes

• M06 Other rheumatoid arthritis
• M06.0 Rheumatoid arthritis without rheumatoid factor
• M06.00 Rheumatoid arthritis without rheumatoid factor, unspecified site (this code)
• M06.01 Rheumatoid arthritis without rheumatoid factor, shoulder
• M06.011 Rheumatoid arthritis without rheumatoid factor, right shoulder
• M06.012 Rheumatoid arthritis without rheumatoid factor, left shoulder
• M06.019 Rheumatoid arthritis without rheumatoid factor, unspecified shoulder
• M06.02 Rheumatoid arthritis without rheumatoid factor, elbow