2021

  1. ICD-10-CM Codes
    2. ›
  2. A00-B99 Certain infectious and parasitic diseases
    3. ›
  3. A30-A49 Other bacterial diseases
    4. ›
  4. A48- Other bacterial diseases, not elsewhere classified
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code A48.0

2021 ICD-10-CM Diagnosis Code A48.0

Gas gangrene

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • A48.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM A48.0 became effective on October 1, 2020.
  • 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
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to A48.0:
  • A00-B99
    2021 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • carrier or suspected carrier of infectious disease (Z22.-)
    • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
    • infectious and parasitic diseases specific to the perinatal period (P35-P39)
    • influenza and other acute respiratory infections (J00-J22)
    Use Additional
    • code to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
  • A48
    ICD-10-CM Diagnosis Code A48

    Other bacterial diseases, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    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 v38.0):
  • 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-CM

Code 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
Code annotations containing back-references to A48.0:
  • Type 1 Excludes: A41.4
    , I96
    ICD-10-CM Diagnosis Code A41.4

    Sepsis due to anaerobes

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Type 1 Excludes
    ICD-10-CM Diagnosis Code I96

    Gangrene, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Gangrenous cellulitis
    Type 1 Excludes
    Type 2 Excludes
    • gangrene in diabetes mellitus (E08-E13 with .52)

Diagnosis Index entries containing back-references to A48.0:
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
    ICD-10-CM Diagnosis Code L02.91

    Cutaneous abscess, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • anerobic A48.0
  • Aerogenes capsulatus infection A48.0
  • Cellulitis (diffuse) (phlegmonous) (septic) (suppurative) L03.90
    ICD-10-CM Diagnosis Code L03.90

    Cellulitis, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • anaerobic A48.0
    • clostridial A48.0
  • Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) I96
    - see also Necrosis
    ICD-10-CM Diagnosis Code I96

    Gangrene, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Gangrenous cellulitis
    Type 1 Excludes
    Type 2 Excludes
    • gangrene in diabetes mellitus (E08-E13 with .52)
    • gas (bacillus) A48.0
    • Bacillus welchii A48.0
    • Clostridium perfringens or welchii A48.0
  • Gas R14.3
    ICD-10-CM Diagnosis Code R14.3

    Flatulence

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • Infection, infected, infective (opportunistic) B99.9
    ICD-10-CM Diagnosis Code B99.9

    Unspecified infectious disease

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • Bacillus A49.9
      ICD-10-CM Diagnosis Code A49.9

      Bacterial infection, unspecified

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Type 1 Excludes
      • 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
  • Myositis M60.9
    ICD-10-CM Diagnosis Code M60.9

    Myositis, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • clostridial A48.0

ICD-10-CM Codes Adjacent To A48.0
A43.1 Cutaneous nocardiosis
A43.8 Other forms of nocardiosis
A43.9 Nocardiosis, unspecified
A44 Bartonellosis
A44.0 Systemic bartonellosis
A44.1 Cutaneous and mucocutaneous bartonellosis
A44.8 Other forms of bartonellosis
A44.9 Bartonellosis, unspecified
A46 Erysipelas
A48 Other bacterial diseases, not elsewhere classified
A48.0 Gas gangrene
A48.1 Legionnaires' disease
A48.2 Nonpneumonic Legionnaires' disease [Pontiac fever]
A48.3 Toxic shock syndrome
A48.4 Brazilian purpuric fever
A48.5 Other specified botulism
A48.51 Infant botulism
A48.52 Wound botulism
A48.8 Other specified bacterial diseases
A49 Bacterial infection of unspecified site
A49.0 Staphylococcal infection, unspecified site

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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