ICD-9-CM diagnosis code (retired)
904.40 — Injury to popliteal vessel(s), unspecified
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 904.40
904.40 is an ICD-9-CM diagnosis code for injury to popliteal vessel(s), unspecified. 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 2 ICD-10-CM codes, such as S85.009A (Unspecified injury of popliteal artery, unspecified leg, initial encounter) and S85.509A (Unspecified injury of popliteal vein, unspecified leg, initial encounter). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
Common questions about 904.40
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.