ICD-9-CM diagnosis code (retired)
557.9 — Unspecified vascular insufficiency of intestine
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 557.9
557.9 is an ICD-9-CM diagnosis code for unspecified vascular insufficiency of intestine. 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, K55.9 (Vascular disorder of intestine, unspecified). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- K55.9Vascular disorder of intestine, unspecifiedapproximate
Common questions about 557.9
What is the ICD-10 code for ICD-9 557.9?
- The GEMs map 557.9 to ICD-10-CM K55.9.
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.