ICD-9-CM diagnosis code (retired)
E966 — Assault by cutting and piercing instrument
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 E966
E966 is an ICD-9-CM diagnosis code for assault by cutting and piercing instrument. 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, X99.9XXA (Assault by unspecified sharp object, initial encounter). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- X99.9XXAAssault by unspecified sharp object, initial encounterapproximate
Common questions about E966
What is the ICD-10 code for ICD-9 E966?
- The GEMs map E966 to ICD-10-CM X99.9XXA.
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.