ICD-9-CM diagnosis code (retired)
E879.8 — Other specified procedures as the cause of abnormal reaction of patient, or of later complication, without mention of misadventure at time of procedure
About ICD-9-CM E879.8
E879.8 is an ICD-9-CM diagnosis code for other specified procedures as the cause of abnormal reaction of patient, or of later complication, without mention of misadventure at time of procedure. 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, Y84.8 (Other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- Y84.8Other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedureapproximate
Common questions about E879.8
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.