ICD-9-CM diagnosis code (retired)
999.88 — Other infusion reaction
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 999.88
999.88 is an ICD-9-CM diagnosis code for other infusion reaction. 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 T80.89XA (Other complications following infusion, transfusion and therapeutic injection, initial encounter) and T80.90XA (Unspecified complication following infusion and therapeutic injection, initial encounter). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
Common questions about 999.88
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.