M31.9 Necrotizing vasculopathy, unspecified

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Risk adjustment (HCC)

MS-DRG index

Defines the logic of DRG(s) 299-301 in MDC 05.

Approximate ICD-9-CM (GEMs)

Code annotations containing back-references to M31.9

Back-references to M31

Diagnosis Index entries for M31.9

Nearby codes