ICD-9-CM diagnosis code (retired)
780.66 — Febrile nonhemolytic transfusion 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 780.66
780.66 is an ICD-9-CM diagnosis code for febrile nonhemolytic transfusion 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 one ICD-10-CM code, R50.84 (Febrile nonhemolytic transfusion reaction). The match is exact.
ICD-10-CM equivalents
- R50.84Febrile nonhemolytic transfusion reactionexact match
Common questions about 780.66
What is the ICD-10 code for ICD-9 780.66?
- The GEMs map 780.66 to ICD-10-CM R50.84.
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.