ICD-9-CM diagnosis code (retired)
333.99 — Other extrapyramidal diseases and abnormal movement disorders
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 333.99
333.99 is an ICD-9-CM diagnosis code for other extrapyramidal diseases and abnormal movement disorders. 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 G25.89 (Other specified extrapyramidal and movement disorders) and G25.9 (Extrapyramidal and movement disorder, unspecified). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
Common questions about 333.99
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.