ICD-9-CM diagnosis code (retired)
551.00 — Femoral hernia with gangrene, unilateral or unspecified (not specified as recurrent)
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 551.00
551.00 is an ICD-9-CM diagnosis code for femoral hernia with gangrene, unilateral or unspecified (not specified as recurrent). 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, K41.40 (Unilateral femoral hernia, with gangrene, not specified as recurrent). The match is exact.
ICD-10-CM equivalents
- K41.40Unilateral femoral hernia, with gangrene, not specified as recurrentexact match
Common questions about 551.00
What is the ICD-10 code for ICD-9 551.00?
- The GEMs map 551.00 to ICD-10-CM K41.40.
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.