ICD-9-CM diagnosis code (retired)
799.59 — Other signs and symptoms involving cognition
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 799.59
799.59 is an ICD-9-CM diagnosis code for other signs and symptoms involving cognition. 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, R41.89 (Other symptoms and signs involving cognitive functions and awareness). The match is exact.
ICD-10-CM equivalents
- R41.89Other symptoms and signs involving cognitive functions and awarenessexact match
Common questions about 799.59
What is the ICD-10 code for ICD-9 799.59?
- The GEMs map 799.59 to ICD-10-CM R41.89.
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.