2021 ICD-10-CM Code K59.31

Toxic megacolon

Version 2021

Valid for Submission

K59.31 is a billable diagnosis code used to specify a medical diagnosis of toxic megacolon. The code K59.31 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.

The ICD-10-CM code K59.31 might also be used to specify conditions or terms like drug-induced megacolon, megacolon, not hirschsprung's, pseudo-obstruction of colon, toxic megacolon, toxic megacolon , toxic megacolon due to ulcerative colitis, etc.

ICD-10:K59.31
Short Description:Toxic megacolon
Long Description:Toxic megacolon

Code Classification

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 K59.31 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

K5931 replaces the following previously assigned ICD-10 code(s):

Convert K59.31 to ICD-9 Code

The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code K59.31 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