2024 ICD-10-CM Diagnosis Code A48.0

Gas gangrene

  • A48.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM A48.0 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A48.0 – other international versions of ICD-10 A48.0 may differ.

Applicable To

  • Clostridial cellulitis
  • Clostridial myonecrosis

The following code(s) above A48.0 contain annotation back-references

 that may be applicable to A48.0:

  • A00-B99  Certain infectious and parasitic diseases
  • A48  Other bacterial diseases, not elsewhere classified

Clinical Information

  • A severe condition resulting from bacteria invading healthy muscle from adjacent traumatized muscle or soft tissue. The infection originates in a wound contaminated with bacteria of the genus clostridium. C. Perfringens accounts for the majority of cases (over eighty percent), while c. Noyvi, c. Septicum, and c. Histolyticum cause most of the other cases.

ICD-10-CM A48.0 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems
  • 867 Other infectious and parasitic diseases diagnoses with mcc
  • 868 Other infectious and parasitic diseases diagnoses with cc
  • 869 Other infectious and parasitic diseases diagnoses without cc/mcc

Convert A48.0 to ICD-9-CMCode History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change

Code annotations containing back-references to A48.0:

Diagnosis Index entries containing back-references to A48.0:

  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
    • anerobic A48.0
  • Aerogenes capsulatus infection A48.0
  • Cellulitis (diffuse) (phlegmonous) (septic) (suppurative) L03.90
    • anaerobic A48.0
    • clostridial A48.0
  • Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) I96 – see also Necrosis
    • gas (bacillus) A48.0
    • Bacillus welchii A48.0
    • Clostridium perfringens or welchii A48.0
  • GasR14.3
  • Infection, infected, infective (opportunistic) B99.9
    • BacillusA49.9
      • gas A48.0 (gangrene)
    • Clostridium NEC
      • difficile
        • gas gangrene A48.0
      • perfringens
        • gas gangrene A48.0
      • welchii
        • gas gangrene A48.0
      • bifermentans A48.0
      • gas-forming NEC A48.0
      • histolyticum A48.0
      • novyi, causing gas gangrene A48.0
      • oedematiens A48.0
      • septicum, causing gas gangrene A48.0
      • sordellii, causing gas gangrene A48.0
    • aerogenes capsulatus A48.0
  • Myonecrosis, clostridial A48.0
  • MyositisM60.9
    • clostridial A48.0