538Gastrointestinal mucositis (ulcerative)
- Legacy / Not Valid for Submission
- Replaced October 1, 2015
538 is a legacy ICD-9-CM diagnosis code for gastrointestinal mucositis (ulcerative). It was valid on U.S. claims through September 30, 2015 and cannot be reported for services on or after October 1, 2015, when ICD-10-CM replaced the ICD-9 code set. Under the CMS General Equivalence Mappings, its ICD-10-CM replacement is K92.81 (Gastrointestinal mucositis (ulcerative)), flagged as a direct match.
Code Identity
Convert 538 to ICD-10-CM
Based on the final CMS General Equivalence Mappings (GEMs), 538 crosswalks to the following ICD-10-CM code.
Index of Diseases References
Questions About 538
Is 538 (gastrointestinal mucositis (ulcerative)) still a valid code?
No. This code belonged to ICD-9-CM, which the United States retired after September 30, 2015. Claims with dates of service on or after October 1, 2015 must use ICD-10-CM codes, such as its replacement K92.81.
What is the ICD-10 replacement for 538?
The General Equivalence Mappings crosswalk this code directly to ICD-10-CM K92.81 (Gastrointestinal mucositis (ulcerative)), a one-to-one match.
What did 538 mean?
In the final ICD-9-CM release, this code described gastrointestinal mucositis (ulcerative). It sat in block 538 Gastrointestinal mucositis (ulcerative) under Diseases of the digestive system (520–579).
