ICD-9-CM diagnosis code (retired)
531.90 — Gastric ulcer, unspecified as acute or chronic, without mention of hemorrhage or perforation, without mention of obstruction
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-CM equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 531.90
531.90 is an ICD-9-CM diagnosis code for gastric ulcer, unspecified as acute or chronic, without mention of hemorrhage or perforation, without mention of obstruction. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.
The CMS General Equivalence Mappings translate it to one ICD-10-CM code, K25.9 (Gastric ulcer, unspecified as acute or chronic, without hemorrhage or perforation). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- K25.9Gastric ulcer, unspecified as acute or chronic, without hemorrhage or perforationapproximate
Common questions about 531.90
What is the ICD-10 code for ICD-9 531.90?
- The GEMs map 531.90 to ICD-10-CM K25.9.
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.