2020 ICD-10-CM Diagnosis Code A04.8

Other specified bacterial intestinal infections

    2016 2017 2018 2019 2020 Billable/Specific Code
  • A04.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM A04.8 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of A04.8 - other international versions of ICD-10 A04.8 may differ.
The following code(s) above A04.8 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 A04.8:
  • A00-B99
    2020 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
  • A04
    ICD-10-CM Diagnosis Code A04

    Other bacterial intestinal infections

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • bacterial foodborne intoxications, NEC (A05.-)
    • tuberculous enteritis (A18.32)
    Other bacterial intestinal infections
Approximate Synonyms
  • Intestinal infection due to pseudomonas
  • Intestinal infection with pseudomonas
  • Intestinal infection with staphylococcus
  • Staphylococcal enterocolitis
ICD-10-CM A04.8 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 371 Major gastrointestinal disorders and peritoneal infections with mcc
  • 372 Major gastrointestinal disorders and peritoneal infections with cc
  • 373 Major gastrointestinal disorders and peritoneal infections without cc/mcc

Convert A04.8 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

Diagnosis Index entries containing back-references to A04.8:
  • Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) K52.9
    - see also Enteritis
    ICD-10-CM Diagnosis Code K52.9

    Noninfective gastroenteritis and colitis, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Colitis NOS
    • Enteritis NOS
    • Gastroenteritis NOS
    • Ileitis NOS
    • Jejunitis NOS
    • Sigmoiditis NOS
    Type 1 Excludes
    • diarrhea NOS (R19.7)
    • functional diarrhea (K59.1)
    • infectious gastroenteritis and colitis NOS (A09)
    • neonatal diarrhea (noninfective) (P78.3)
    • psychogenic diarrhea (F45.8)
  • Diarrhea, diarrheal (disease) (infantile) (inflammatory) R19.7
    ICD-10-CM Diagnosis Code R19.7

    Diarrhea, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Diarrhea NOS
    Type 1 Excludes
    • functional diarrhea (K59.1)
    • neonatal diarrhea (P78.3)
    • psychogenic diarrhea (F45.8)
    • due to
      • bacteria A04.9
        ICD-10-CM Diagnosis Code A04.9

        Bacterial intestinal infection, unspecified

          2016 2017 2018 2019 2020 Billable/Specific Code
        Applicable To
        • Bacterial enteritis NOS
        • specified NEC A04.8
      • specified organism NEC A08.8
        ICD-10-CM Diagnosis Code A08.8

        Other specified intestinal infections

          2016 2017 2018 2019 2020 Billable/Specific Code
        • bacterial A04.8
      • Clostridium perfringens A04.8 (C) (F)
      • Staphylococcus A04.8
    • specified
      • bacterium NEC A04.8
  • Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) K52.9
    ICD-10-CM Diagnosis Code K52.9

    Noninfective gastroenteritis and colitis, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Colitis NOS
    • Enteritis NOS
    • Gastroenteritis NOS
    • Ileitis NOS
    • Jejunitis NOS
    • Sigmoiditis NOS
    Type 1 Excludes
    • diarrhea NOS (R19.7)
    • functional diarrhea (K59.1)
    • infectious gastroenteritis and colitis NOS (A09)
    • neonatal diarrhea (noninfective) (P78.3)
    • psychogenic diarrhea (F45.8)
    • bacterial A04.9
      ICD-10-CM Diagnosis Code A04.9

      Bacterial intestinal infection, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Bacterial enteritis NOS
      • specified NEC A04.8
    • infectious NOS A09
      ICD-10-CM Diagnosis Code A09

      Infectious gastroenteritis and colitis, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Infectious colitis NOS
      • Infectious enteritis NOS
      • Infectious gastroenteritis NOS
      Type 1 Excludes
      • colitis NOS (K52.9)
      • diarrhea NOS (R19.7)
      • enteritis NOS (K52.9)
      • gastroenteritis NOS (K52.9)
      • noninfective gastroenteritis and colitis, unspecified (K52.9)
      • due to
        • bacteria NOS A04.9
          ICD-10-CM Diagnosis Code A04.9

          Bacterial intestinal infection, unspecified

            2016 2017 2018 2019 2020 Billable/Specific Code
          Applicable To
          • Bacterial enteritis NOS
          • specified NEC A04.8
        • specified
          • bacteria NEC A04.8
        • Aerobacter aerogenes A04.8
        • Clostridium perfringens A04.8
        • Enterobacter aerogenes A04.8
        • Staphylococcus A04.8
    • staphylococcal A04.8
  • Infection, infected, infective (opportunistic) B99.9
    ICD-10-CM Diagnosis Code B99.9

    Unspecified infectious disease

      2016 2017 2018 2019 2020 Billable/Specific Code
  • Pseudotuberculosis A28.2
    ICD-10-CM Diagnosis Code A28.2

    Extraintestinal yersiniosis

      2016 2017 2018 2019 2020 Billable/Specific Code
    Type 1 Excludes
    • enteritis due to Yersinia enterocolitica (A04.6)
    • plague (A20.-)
    • enterocolitis A04.8

ICD-10-CM Codes Adjacent To A04.8
A04.0 Enteropathogenic Escherichia coli infection
A04.1 Enterotoxigenic Escherichia coli infection
A04.2 Enteroinvasive Escherichia coli infection
A04.3 Enterohemorrhagic Escherichia coli infection
A04.4 Other intestinal Escherichia coli infections
A04.5 Campylobacter enteritis
A04.6 Enteritis due to Yersinia enterocolitica
A04.7 Enterocolitis due to Clostridium difficile
A04.71 …… recurrent
A04.72 …… not specified as recurrent
A04.8 Other specified bacterial intestinal infections
A04.9 Bacterial intestinal infection, unspecified
A05 Other bacterial foodborne intoxications, not elsewhere classified
A05.0 Foodborne staphylococcal intoxication
A05.1 Botulism food poisoning
A05.2 Foodborne Clostridium perfringens [Clostridium welchii] intoxication
A05.3 Foodborne Vibrio parahaemolyticus intoxication
A05.4 Foodborne Bacillus cereus intoxication
A05.5 Foodborne Vibrio vulnificus intoxication
A05.8 Other specified bacterial foodborne intoxications
A05.9 Bacterial foodborne intoxication, unspecified

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