M94.1 Relapsing polychondritis

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 564-566 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 733.99 Other disorders of bone and cartilage (approximate)

Diagnosis Index entries for M94.1

• Polychondritis (atrophic) (chronic) › relapsing

Nearby codes

• M94 Other disorders of cartilage
• M94.0 Chondrocostal junction syndrome [Tietze]
• M94.1 Relapsing polychondritis (this code)
• M94.2 Chondromalacia
• M94.20 Chondromalacia, unspecified site
• M94.21 Chondromalacia, shoulder
• M94.211 Chondromalacia, right shoulder
• M94.212 Chondromalacia, left shoulder