M72.6 Necrotizing fasciitis

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

Use additional code

• code (B95.-, B96.-) to identify causative organism

Applies from M72 Fibroblastic disorders

Excludes2 (not included here)

• retroperitoneal fibromatosis (D48.3)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 92 — Bone/Joint/Muscle/Severe Soft Tissue Infections/Necrosis
• CMS-HCC V22: HCC 39 — Bone/Joint/Muscle Infections/Necrosis
• ESRD V24: HCC 39

MS-DRG index

Defines the logic of DRG(s) 557-558 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 728.86 Necrotizing fasciitis

Code annotations containing back-references to M72.6

Back-references to M72.6

• Type 1 Excludes: M72.8 Other fibroblastic disorders ("necrotizing fasciitis (M72.6)")

Diagnosis Index entries for M72.6

• Fasciitis › infective › necrotizing
• Fasciitis › necrotizing

Nearby codes

• M72 Fibroblastic disorders
• M72.0 Palmar fascial fibromatosis [Dupuytren]
• M72.1 Knuckle pads
• M72.2 Plantar fascial fibromatosis
• M72.4 Pseudosarcomatous fibromatosis
• M72.6 Necrotizing fasciitis (this code)
• M72.8 Other fibroblastic disorders
• M72.9 Fibroblastic disorder, unspecified