M12.09 Chronic postrheumatic arthropathy [Jaccoud], multiple sites

Billable ICD-10-CM code, FY2026.

Applies from M12 Other and unspecified arthropathy

Excludes1 (never code together)

• arthrosis (M15-M19)
• cricoarytenoid arthropathy (J38.7)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 94 — Systemic Lupus Erythematosus and Other Specified Systemic Connective Tissue 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) 553-554 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 714.4 Chronic postrheumatic arthropathy (approximate)

Diagnosis Index entries for M12.09

• Arthropathy › postrheumatic, chronic (Jaccoud) › multiple site

Nearby codes

• M12.07 Chronic postrheumatic arthropathy [Jaccoud], ankle and foot
• M12.071 Chronic postrheumatic arthropathy [Jaccoud], right ankle and foot
• M12.072 Chronic postrheumatic arthropathy [Jaccoud], left ankle and foot
• M12.079 Chronic postrheumatic arthropathy [Jaccoud], unspecified ankle and foot
• M12.08 Chronic postrheumatic arthropathy [Jaccoud], other specified site
• M12.09 Chronic postrheumatic arthropathy [Jaccoud], multiple sites (this code)
• M12.1 Kaschin-Beck disease
• M12.10 Kaschin-Beck disease, unspecified site
• M12.11 Kaschin-Beck disease, shoulder
• M12.111 Kaschin-Beck disease, right shoulder
• M12.112 Kaschin-Beck disease, left shoulder