2022 ICD-10-CM Code K55.039

Acute (reversible) ischemia of large intestine, extent unspecified

Version 2021

Valid for Submission

ICD-10:K55.039
Short Description:Acute ischemia of large intestine, extent unspecified
Long Description:Acute (reversible) ischemia of large intestine, extent unspecified

Code Classification

  • Diseases of the digestive system (K00–K93)
    • Other diseases of intestines (K55-K64)
      • Vascular disorders of intestine (K55)

K55.039 is a billable diagnosis code used to specify a medical diagnosis of acute (reversible) ischemia of large intestine, extent unspecified. The code K55.039 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 K55.039 might also be used to specify conditions or terms like acute ischemic colitis, anastomotic necrosis of large intestine, gastrointestinal anastomotic necrosis or ischemic colitis.

Unspecified diagnosis codes like K55.039 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 K55.039 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:

Replacement Code

K55039 replaces the following previously assigned ICD-10 code(s):

Convert K55.039 to ICD-9 Code

The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code K55.039 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.

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