ICD-9-CM diagnosis code (retired)
349.89 — Other specified disorders of nervous system
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 349.89
349.89 is an ICD-9-CM diagnosis code for other specified disorders of nervous system. 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 G96.8 (Other specified disorders of central nervous system) and G98.8 (Other disorders of nervous system). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
Common questions about 349.89
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.