ICD-9-CM diagnosis code (retired)
533.50 — Chronic or unspecified peptic ulcer of unspecified site with 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 533.50
533.50 is an ICD-9-CM diagnosis code for chronic or unspecified peptic ulcer of unspecified site with 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, K27.5 (Chronic or unspecified peptic ulcer, site unspecified, with perforation). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- K27.5Chronic or unspecified peptic ulcer, site unspecified, with perforationapproximate
Common questions about 533.50
What is the ICD-10 code for ICD-9 533.50?
- The GEMs map 533.50 to ICD-10-CM K27.5.
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.