2022 ICD-10-CM Code K52.839

Microscopic colitis, unspecified

Version 2021

Valid for Submission

ICD-10:K52.839
Short Description:Microscopic colitis, unspecified
Long Description:Microscopic colitis, unspecified

Code Classification

  • Diseases of the digestive system (K00–K93)
    • Noninfective enteritis and colitis (K50-K52)
      • Other and unsp noninfective gastroenteritis and colitis (K52)

K52.839 is a billable diagnosis code used to specify a medical diagnosis of microscopic colitis, unspecified. The code K52.839 is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.

The ICD-10-CM code K52.839 might also be used to specify conditions or terms like microscopic colitis.

Unspecified diagnosis codes like K52.839 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code K52.839 are found in the index:

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Clinical Information

Replacement Code

K52839 replaces the following previously assigned ICD-10 code(s):

Convert K52.839 to ICD-9 Code

The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code K52.839 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.

Information for Patients


Colonic Diseases

Your colon, also known as the large intestine, is part of your digestive system. It's a long, hollow tube at the end of your digestive tract where your body makes and stores stool. Many disorders affect the colon's ability to work properly. Some of these include

Treatment for colonic diseases varies greatly depending on the disease and its severity. Treatment may involve diet, medicines and in some cases, surgery.

NIH: National Institute of Diabetes and Digestive and Kidney Diseases


[Learn More in MedlinePlus]

Microscopic Colitis Learn about the symptoms and treatment of microscopic colitis, an inflammatory bowel disease that causes inflammation of the inner lining of your colon.
[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018