ICD-9-CM diagnosis code (retired)
E988.7 — Injury by caustic substances, except poisoning, undetermined whether accidentally or purposely inflicted
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 E988.7
E988.7 is an ICD-9-CM diagnosis code for injury by caustic substances, except poisoning, undetermined whether accidentally or purposely inflicted. 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, Y33.XXXA (Other specified events, undetermined intent, initial encounter). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- Y33.XXXAOther specified events, undetermined intent, initial encounterapproximate
Common questions about E988.7
What is the ICD-10 code for ICD-9 E988.7?
- The GEMs map E988.7 to ICD-10-CM Y33.XXXA.
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.