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ICD-10-CM 2027

ICD-10 code for necrotizing fasciitis

M72.6

Necrotizing fasciitis

From the official ICD-10-CM alphabetic index entry “Fasciitis › necrotizing”. Page updated September 29, 2026.

About coding necrotizing fasciitis

The ICD-10-CM code for necrotizing fasciitis is M72.6 (Necrotizing fasciitis).

Within M72 (fibroblastic disorders), M72.6 is specifically for necrotizing fasciitis. Related codes cover palmar fascial fibromatosis [Dupuytren] (M72.0), Knuckle pads (M72.1), plantar fascial fibromatosis (M72.2), Pseudosarcomatous fibromatosis (M72.4), other fibroblastic disorders (M72.8) and fibroblastic disorder, unspecified (M72.9).

Use an additional code (B95.-, B96.-) to identify causative organism.

As a secondary diagnosis it is an MCC (major complication or comorbidity), which can move an inpatient stay into the highest-paying "with MCC" MS-DRG of its family, unless the principal diagnosis excludes it.

Common questions about necrotizing fasciitis ICD-10 codes

What is the ICD-10 code for necrotizing fasciitis?

M72.6 — Necrotizing fasciitis.

Is M72.6 billable?

Yes. M72.6 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can M72.6 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict M72.6 as a principal diagnosis.

Is M72.6 a CC or MCC?

M72.6 is an MCC (major complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.