M08.449 Pauciarticular juvenile rheumatoid arthritis, unspecified hand

Billable ICD-10-CM code, FY2026.

Applies from M08 Juvenile arthritis

Excludes1 (never code together)

• arthropathy in Whipple's disease (M14.8)
• Felty's syndrome (M05.0)
• juvenile dermatomyositis (M33.0-)
• psoriatic juvenile arthropathy (L40.54)

Code also

• any associated underlying condition, such as:
• regional enteritis [Crohn's disease] (K50.-)
• ulcerative colitis (K51.-)

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)

• 714.32 Pauciarticular juvenile rheumatoid arthritis (approximate)

Code annotations containing back-references to M08.449

Back-references to M08

• Type 1 Excludes: M05 Rheumatoid arthritis with rheumatoid factor ("juvenile rheumatoid arthritis (M08.-)")

Nearby codes

• M08.432 Pauciarticular juvenile rheumatoid arthritis, left wrist
• M08.439 Pauciarticular juvenile rheumatoid arthritis, unspecified wrist
• M08.44 Pauciarticular juvenile rheumatoid arthritis, hand
• M08.441 Pauciarticular juvenile rheumatoid arthritis, right hand
• M08.442 Pauciarticular juvenile rheumatoid arthritis, left hand
• M08.449 Pauciarticular juvenile rheumatoid arthritis, unspecified hand (this code)
• M08.45 Pauciarticular juvenile rheumatoid arthritis, hip
• M08.451 Pauciarticular juvenile rheumatoid arthritis, right hip
• M08.452 Pauciarticular juvenile rheumatoid arthritis, left hip
• M08.459 Pauciarticular juvenile rheumatoid arthritis, unspecified hip
• M08.46 Pauciarticular juvenile rheumatoid arthritis, knee