A48.0 Gas gangrene
The ICD-10-CM code for Gas gangrene is A48.0 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- A30-A49: Other bacterial diseases (A30-A49)
- Category A48
- 10 codes (8 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to A48.0:
- Myonecrosis, clostridial
- Aerogenes capsulatus infection
- Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) › Bacillus welchii
- Cellulitis (diffuse) (phlegmonous) (septic) (suppurative) › clostridial
- Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › anerobic
- Cellulitis (diffuse) (phlegmonous) (septic) (suppurative) › anaerobic
- Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) › Clostridium perfringens or welchii
- Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) › gas (bacillus)
Inclusion Terms
- Clostridial cellulitis
- Clostridial myonecrosis
U.S. Hospital Utilization
- An estimated 20,495 U.S. inpatient stays in 2023 included A48.0 among the documented diagnoses.
- 355 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
HIV Infections (TOC entry)a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19
Infectious agents causing diseases in other chapters (TOC)b. Infectious agents as the cause of diseases classified to other chapters ................................. 22
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026