1. ICD-10-CM Codes
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2. K00-K95 Diseases of the digestive system
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3. K50-K52 Noninfective enteritis and colitis
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4. K52- Other and unspecified noninfective gastroenteritis and colitis
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5. 2021 ICD-10-CM Diagnosis Code K52.89

2021 ICD-10-CM Diagnosis Code K52.89

Other specified noninfective gastroenteritis and colitis

2016 2017 2018 2019 2020 2021 Billable/Specific Code

• K52.89 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 K52.89 became effective on October 1, 2020.
• This is the American ICD-10-CM version of K52.89 - other international versions of ICD-10 K52.89 may differ.

• Colitis (colon inflammation), collagenous
• Colitis (colon inflammation), microscopic
• Colitis, lymphocytic
• Collagenous colitis
• Lymphocytic-plasmacytic colitis
• Microscopic colitis

• A subtype of microscopic colitis, characterized by chronic watery diarrhea of unknown origin, a normal colonoscopy but abnormal histopathology on biopsy. Microscopic examination of biopsy samples taken from the colon show infiltration of lymphocytes in the superficial epithelium and the underlying connective tissue (lamina propria).
• A subtype of microscopic colitis, characterized by chronic watery diarrhea of unknown origin, a normal colonoscopy but abnormal histopathology on biopsy. Microscopic examination of biopsy samples taken from the colon show larger-than-normal band of subepithelial collagen.
• A type of microscopic colitis of unknown etiology. It is characterized by the presence of collagen deposits in the lamina propria of the colonic mucosa. Patients present with chronic watery diarrhea. Colonoscopy reveals normal-appearing mucosa. The diagnosis is made with the microscopic examination of the colonic biopsy samples.
• Microscopic colitis characterized by the accumulation of lymphocytes in the colonic epithelium and lamina propria. Patients present with chronic watery diarrhea. Colonoscopy reveals normal colonic mucosa. The diagnosis is made with the microscopic examination of the colonic biopsy samples.

• 391 Esophagitis, gastroenteritis and miscellaneous digestive disorders with mcc
• 392 Esophagitis, gastroenteritis and miscellaneous digestive disorders without mcc

Convert K52.89 to ICD-9-CM

• 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

• 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 2021 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)
  • noninfective K52.9
    ICD-10-CM Diagnosis Code K52.9

    Noninfective gastroenteritis and colitis, unspecified

    2016 2017 2018 2019 2020 2021 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
  • cystica superficialis K52.89
• Diarrhea, diarrheal (disease) (infantile) (inflammatory) R19.7
  ICD-10-CM Diagnosis Code R19.7

  Diarrhea, unspecified

  2016 2017 2018 2019 2020 2021 Billable/Specific Code

  Applicable To

  • Diarrhea NOS

  Type 1 Excludes

  • functional diarrhea (K59.1)
  • neonatal diarrhea (P78.3)
  • psychogenic diarrhea (F45.8)
  • cachectic NEC K52.89
• 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 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)
  • noninfectious K52.9
    ICD-10-CM Diagnosis Code K52.9

    Noninfective gastroenteritis and colitis, unspecified

    2016 2017 2018 2019 2020 2021 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

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