ICD-9-CM diagnosis code (retired)
978.8 — Poisoning by other and unspecified bacterial vaccines
About ICD-9-CM 978.8
978.8 is an ICD-9-CM diagnosis code for poisoning by other and unspecified bacterial vaccines. 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 4 ICD-10-CM codes, such as T50.A91A (Poisoning by other bacterial vaccines, accidental (unintentional), initial encounter), T50.A92A (Poisoning by other bacterial vaccines, intentional self-harm, initial encounter) and T50.A93A (Poisoning by other bacterial vaccines, assault, initial encounter). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
- T50.A91APoisoning by other bacterial vaccines, accidental (unintentional), initial encounterapproximate
- T50.A92APoisoning by other bacterial vaccines, intentional self-harm, initial encounterapproximate
- T50.A93APoisoning by other bacterial vaccines, assault, initial encounterapproximate
- T50.A94APoisoning by other bacterial vaccines, undetermined, initial encounterapproximate
Common questions about 978.8
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.