ICD-9-CM diagnosis code (retired)
790.5 — Other nonspecific abnormal serum enzyme levels
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 790.5
790.5 is an ICD-9-CM diagnosis code for other nonspecific abnormal serum enzyme levels. 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, R74.8 (Abnormal levels of other serum enzymes). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- R74.8Abnormal levels of other serum enzymesapproximate
Common questions about 790.5
What is the ICD-10 code for ICD-9 790.5?
- The GEMs map 790.5 to ICD-10-CM R74.8.
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.