1. 2021/2022 ICD-10-CM Index
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2. 'G' Terms
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3. Index Terms Starting With 'G' (Gastroenteritis)

Index Terms Starting With 'G' (Gastroenteritis)

• Gastroenteritis (acute) (chronic) (noninfectious) K52.9

  - see also Enteritis

  ICD-10-CM Diagnosis Code K52.9

  Noninfective gastroenteritis and colitis, unspecified

  2016 2017 2018 2019 2020 2021 2022 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)

  • allergic K52.29
    ICD-10-CM Diagnosis Code K52.29

    Other allergic and dietetic gastroenteritis and colitis

    2017 - New Code 2018 2019 2020 2021 2022 Billable/Specific Code

    Applicable To

    • Allergic proctocolitis
    • Food hypersensitivity gastroenteritis or colitis
    • Food-induced eosinophilic proctocolitis
    • Food protein-induced proctocolitis
    • Immediate gastrointestinal hypersensitivity
    • Milk protein-induced proctocolitis
    • with
      • eosinophilic gastritis or gastroenteritis K52.81
        ICD-10-CM Diagnosis Code K52.81

        Eosinophilic gastritis or gastroenteritis

        2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

        Applicable To

        • Eosinophilic enteritis

        Type 2 Excludes

        • eosinophilic esophagitis (K20.0)
      • food protein-induced enterocolitis syndrome K52.21
        ICD-10-CM Diagnosis Code K52.21

        Food protein-induced enterocolitis syndrome

        2017 - New Code 2018 2019 2020 2021 2022 Billable/Specific Code

        Applicable To

        • FPIES

        Use Additional

        • code for hypovolemic shock, if present (R57.1)
      • food protein-induced enteropathy K52.22
        ICD-10-CM Diagnosis Code K52.22

        Food protein-induced enteropathy

        2017 - New Code 2018 2019 2020 2021 2022 Billable/Specific Code
  • dietetic K52.29
    - see also Gastroenteritis, allergic
    ICD-10-CM Diagnosis Code K52.29

    Other allergic and dietetic gastroenteritis and colitis

    2017 - New Code 2018 2019 2020 2021 2022 Billable/Specific Code

    Applicable To

    • Allergic proctocolitis
    • Food hypersensitivity gastroenteritis or colitis
    • Food-induced eosinophilic proctocolitis
    • Food protein-induced proctocolitis
    • Immediate gastrointestinal hypersensitivity
    • Milk protein-induced proctocolitis
  • drug-induced K52.1
    ICD-10-CM Diagnosis Code K52.1

    Toxic gastroenteritis and colitis

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

    Applicable To

    • Drug-induced gastroenteritis and colitis

    Code First

    • (T51-T65) to identify toxic agent

    Use Additional

    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • due to
    • Cryptosporidium A07.2
      ICD-10-CM Diagnosis Code A07.2

      Cryptosporidiosis

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    • drugs K52.1
      ICD-10-CM Diagnosis Code K52.1

      Toxic gastroenteritis and colitis

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

      Applicable To

      • Drug-induced gastroenteritis and colitis

      Code First

      • (T51-T65) to identify toxic agent

      Use Additional

      • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
    • food poisoning - see Intoxication, foodborne
    • radiation K52.0
      ICD-10-CM Diagnosis Code K52.0

      Gastroenteritis and colitis due to radiation

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
  • eosinophilic K52.81
    ICD-10-CM Diagnosis Code K52.81

    Eosinophilic gastritis or gastroenteritis

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

    Applicable To

    • Eosinophilic enteritis

    Type 2 Excludes

    • eosinophilic esophagitis (K20.0)
  • epidemic A09
    (infectious)
    ICD-10-CM Diagnosis Code A09

    Infectious gastroenteritis and colitis, unspecified

    2016 2017 2018 2019 2020 2021 2022 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)
  • food hypersensitivity K52.29
    - see also Gastroenteritis, allergic
    ICD-10-CM Diagnosis Code K52.29

    Other allergic and dietetic gastroenteritis and colitis

    2017 - New Code 2018 2019 2020 2021 2022 Billable/Specific Code

    Applicable To

    • Allergic proctocolitis
    • Food hypersensitivity gastroenteritis or colitis
    • Food-induced eosinophilic proctocolitis
    • Food protein-induced proctocolitis
    • Immediate gastrointestinal hypersensitivity
    • Milk protein-induced proctocolitis
  • infectious - see Enteritis, infectious
  • influenzal - see Influenza, with gastroenteritis
  • noninfectious K52.9
    ICD-10-CM Diagnosis Code K52.9

    Noninfective gastroenteritis and colitis, unspecified

    2016 2017 2018 2019 2020 2021 2022 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)
    • specified NEC K52.89
      ICD-10-CM Diagnosis Code K52.89

      Other specified noninfective gastroenteritis and colitis

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
  • rotaviral A08.0
    ICD-10-CM Diagnosis Code A08.0

    Rotaviral enteritis

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
  • Salmonella A02.0
    ICD-10-CM Diagnosis Code A02.0

    Salmonella enteritis

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

    Applicable To

    • Salmonellosis
  • toxic K52.1
    ICD-10-CM Diagnosis Code K52.1

    Toxic gastroenteritis and colitis

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

    Applicable To

    • Drug-induced gastroenteritis and colitis

    Code First

    • (T51-T65) to identify toxic agent

    Use Additional

    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • viral NEC A08.4
    ICD-10-CM Diagnosis Code A08.4

    Viral intestinal infection, unspecified

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

    Applicable To

    • Viral enteritis NOS
    • Viral gastroenteritis NOS
    • Viral gastroenteropathy NOS
    • acute infectious A08.39
      ICD-10-CM Diagnosis Code A08.39

      Other viral enteritis

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

      Applicable To

      • Coxsackie virus enteritis
      • Echovirus enteritis
      • Enterovirus enteritis NEC
      • Torovirus enteritis
      • type Norwalk A08.11
        ICD-10-CM Diagnosis Code A08.11

        Acute gastroenteropathy due to Norwalk agent

        2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

        Applicable To

        • Acute gastroenteropathy due to Norovirus
        • Acute gastroenteropathy due to Norwalk-like agent
    • infantile A08.39
      (acute)
      ICD-10-CM Diagnosis Code A08.39

      Other viral enteritis

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

      Applicable To

      • Coxsackie virus enteritis
      • Echovirus enteritis
      • Enterovirus enteritis NEC
      • Torovirus enteritis
    • Norwalk agent A08.11
      ICD-10-CM Diagnosis Code A08.11

      Acute gastroenteropathy due to Norwalk agent

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

      Applicable To

      • Acute gastroenteropathy due to Norovirus
      • Acute gastroenteropathy due to Norwalk-like agent
    • rotaviral A08.0
      ICD-10-CM Diagnosis Code A08.0

      Rotaviral enteritis

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    • severe of infants A08.39
      ICD-10-CM Diagnosis Code A08.39

      Other viral enteritis

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

      Applicable To

      • Coxsackie virus enteritis
      • Echovirus enteritis
      • Enterovirus enteritis NEC
      • Torovirus enteritis
    • specified type NEC A08.39
      ICD-10-CM Diagnosis Code A08.39

      Other viral enteritis

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

      Applicable To

      • Coxsackie virus enteritis
      • Echovirus enteritis
      • Enterovirus enteritis NEC
      • Torovirus enteritis