2026 ICD-10-CM Diagnosis Code K52Other and unspecified noninfective gastroenteritis and colitis

ICD-10-CM Codes›K00–K95›K50-K52›K52

ICD-10-CM K52
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

K52 is a non-billable ICD-10-CM category code for other and unspecified noninfective gastroenteritis and colitis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as K52.0, K52.1, K52.21, and K52.22.

Code Identity

ICD-10-CM Code
K52
Billable Status
No — Non-Billable Category
Code Describes
Other and unspecified noninfective gastroenteritis and colitis
Chapter
K50-K52
Noninfective enteritis and colitis

Code Classification

ChapterK00–K95Diseases of the digestive system
SectionK50-K52Noninfective enteritis and colitis
CategoryK52Other and unspecified noninfective gastroenteritis and colitis
This CodeK52Other and unspecified noninfective gastroenteritis and colitis

Specific Coding for Other and unsp noninfective gastroenteritis and colitisOverview

Non-specific codes like K52 require more characters. Use one of these billable codes instead:

  • Use K52.0 for Gastroenteritis and colitis due to radiation

  • Use K52.1 for Toxic gastroenteritis and colitis

  • K52.2 for Allergic and dietetic gastroenteritis and colitis

  • Use K52.21 for Food protein-induced enterocolitis syndrome

  • Use K52.22 for Food protein-induced enteropathy

  • Use K52.29 for Other allergic and dietetic gastroenteritis and colitis

  • Use K52.3 for Indeterminate colitis

  • K52.8 for Other specified noninfective gastroenteritis and colitis

  • Use K52.81 for Eosinophilic gastritis or gastroenteritis

  • Use K52.82 for Eosinophilic colitis

  • K52.83 for Microscopic colitis

  • Use K52.89 for Other specified noninfective gastroenteritis and colitis

  • Use K52.9 for Noninfective gastroenteritis and colitis, unspecified

Patient EducationClinical

Digestive Diseases

When you eat, your body breaks food down to a form it can use to build and nourish cells and provide energy. This process is called digestion.

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Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About K52Overview

Is K52 a billable code?

No. This is a category header that groups the codes for other and unspecified noninfective gastroenteritis and colitis, and headers cannot be submitted on claims. Claims for other and unspecified noninfective gastroenteritis and colitis need a more specific code from this category, such as K52.0, K52.1, and K52.21.