1. 2023 ICD-10-CM Index
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2. 'E' Terms
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3. Index Terms Starting With 'E' (Enterocolitis)

Index Terms Starting With 'E' (Enterocolitis)

• Enterocolitis K52.9

  - see also Enteritis

  ICD-10-CM Diagnosis Code K52.9

  Noninfective gastroenteritis and colitis, unspecified

  2016 2017 2018 2019 2020 2021 2022 2023 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)

  • due to Clostridium difficile
    • not specified as recurrent A04.72
      ICD-10-CM Diagnosis Code A04.72

      Enterocolitis due to Clostridium difficile, not specified as recurrent

      2018 - New Code 2019 2020 2021 2022 2023 Billable/Specific Code
    • recurrent A04.71
      ICD-10-CM Diagnosis Code A04.71

      Enterocolitis due to Clostridium difficile, recurrent

      2018 - New Code 2019 2020 2021 2022 2023 Billable/Specific Code
  • fulminant ischemic K55.059
    - see also Ischemia, intestine, acute
    ICD-10-CM Diagnosis Code K55.059

    Acute (reversible) ischemia of intestine, part and extent unspecified

    2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • granulomatous - see Enteritis, regional
  • hemorrhagic (acute) K55.059
    - see also Ischemia, intestine, acute
    ICD-10-CM Diagnosis Code K55.059

    Acute (reversible) ischemia of intestine, part and extent unspecified

    2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • chronic K55.1
      ICD-10-CM Diagnosis Code K55.1

      Chronic vascular disorders of intestine

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Chronic ischemic colitis
      • Chronic ischemic enteritis
      • Chronic ischemic enterocolitis
      • Ischemic stricture of intestine
      • Mesenteric atherosclerosis
      • Mesenteric vascular insufficiency
  • infectious NEC A09
    ICD-10-CM Diagnosis Code A09

    Infectious gastroenteritis and colitis, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 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)
  • ischemic K55.9
    ICD-10-CM Diagnosis Code K55.9

    Vascular disorder of intestine, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Ischemic colitis
    • Ischemic enteritis
    • Ischemic enterocolitis
  • necrotizing K55.30
    ICD-10-CM Diagnosis Code K55.30

    Necrotizing enterocolitis, unspecified

    2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Necrotizing enterocolitis, NOS
    • due to Clostridium difficile
      • not specified as recurrent A04.72
        ICD-10-CM Diagnosis Code A04.72

        Enterocolitis due to Clostridium difficile, not specified as recurrent

        2018 - New Code 2019 2020 2021 2022 2023 Billable/Specific Code
      • recurrent A04.71
        ICD-10-CM Diagnosis Code A04.71

        Enterocolitis due to Clostridium difficile, recurrent

        2018 - New Code 2019 2020 2021 2022 2023 Billable/Specific Code
    • in newborn P77.9
      ICD-10-CM Diagnosis Code P77.9

      Necrotizing enterocolitis in newborn, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Code on Newborn Record

      Applicable To

      • Necrotizing enterocolitis in newborn, NOS
      • stage 1 P77.1
        (without pneumatosis, without perforation)
        ICD-10-CM Diagnosis Code P77.1

        Stage 1 necrotizing enterocolitis in newborn

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Code on Newborn Record

        Applicable To

        • Necrotizing enterocolitis without pneumatosis, without perforation
      • stage 2 P77.2
        (with pneumatosis, without perforation)
        ICD-10-CM Diagnosis Code P77.2

        Stage 2 necrotizing enterocolitis in newborn

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Code on Newborn Record

        Applicable To

        • Necrotizing enterocolitis with pneumatosis, without perforation
      • stage 3 P77.3
        (with pneumatosis, with perforation)
        ICD-10-CM Diagnosis Code P77.3

        Stage 3 necrotizing enterocolitis in newborn

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Code on Newborn Record

        Applicable To

        • Necrotizing enterocolitis with perforation
        • Necrotizing enterocolitis with pneumatosis and perforation
    • in non-newborn K55.30
      ICD-10-CM Diagnosis Code K55.30

      Necrotizing enterocolitis, unspecified

      2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Necrotizing enterocolitis, NOS
      • stage 1 K55.31
        (without pneumatosis, without perforation)
        ICD-10-CM Diagnosis Code K55.31

        Stage 1 necrotizing enterocolitis

        2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code

        Applicable To

        • Necrotizing enterocolitis without pneumatosis, without perforation
      • stage 2 K55.32
        (with pneumatosis, without perforation)
        ICD-10-CM Diagnosis Code K55.32

        Stage 2 necrotizing enterocolitis

        2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code

        Applicable To

        • Necrotizing enterocolitis with pneumatosis, without perforation
      • stage 3 K55.33
        (with pneumatosis, with perforation)
        ICD-10-CM Diagnosis Code K55.33

        Stage 3 necrotizing enterocolitis

        2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code

        Applicable To

        • Necrotizing enterocolitis with perforation
        • Necrotizing enterocolitis with pneumatosis and perforation
    • with
      • perforation K55.33
        ICD-10-CM Diagnosis Code K55.33

        Stage 3 necrotizing enterocolitis

        2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code

        Applicable To

        • Necrotizing enterocolitis with perforation
        • Necrotizing enterocolitis with pneumatosis and perforation
      • pneumatosis K55.32
        ICD-10-CM Diagnosis Code K55.32

        Stage 2 necrotizing enterocolitis

        2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code

        Applicable To

        • Necrotizing enterocolitis with pneumatosis, without perforation
        • and perforation K55.33
          ICD-10-CM Diagnosis Code K55.33

          Stage 3 necrotizing enterocolitis

          2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code

          Applicable To

          • Necrotizing enterocolitis with perforation
          • Necrotizing enterocolitis with pneumatosis and perforation
    • without pneumatosis or perforation K55.31
      ICD-10-CM Diagnosis Code K55.31

      Stage 1 necrotizing enterocolitis

      2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Necrotizing enterocolitis without pneumatosis, without perforation
  • noninfectious K52.9
    ICD-10-CM Diagnosis Code K52.9

    Noninfective gastroenteritis and colitis, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 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)
    • newborn - see Enterocolitis, necrotizing, in newborn
  • pseudomembranous (newborn)
    • not specified as recurrent A04.72
      ICD-10-CM Diagnosis Code A04.72

      Enterocolitis due to Clostridium difficile, not specified as recurrent

      2018 - New Code 2019 2020 2021 2022 2023 Billable/Specific Code
    • recurrent A04.71
      ICD-10-CM Diagnosis Code A04.71

      Enterocolitis due to Clostridium difficile, recurrent

      2018 - New Code 2019 2020 2021 2022 2023 Billable/Specific Code
  • radiation K52.0
    ICD-10-CM Diagnosis Code K52.0

    Gastroenteritis and colitis due to radiation

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • newborn - see Enterocolitis, necrotizing, in newborn
  • ulcerative (chronic) - see Pancolitis, ulcerative (chronic)