ICD-9-CM diagnosis code (retired)
999.39 — Infection following other infusion, injection, transfusion, or vaccination
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 999.39
999.39 is an ICD-9-CM diagnosis code for infection following other infusion, injection, transfusion, or vaccination. 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 T80.29XA (Infection following other infusion, transfusion and therapeutic injection, initial encounter) and T88.0XXA (Infection following immunization, initial encounter). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
Common questions about 999.39
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.