ICD-9-CM diagnosis code (retired)
379.56 — Other forms of nystagmus
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 379.56
379.56 is an ICD-9-CM diagnosis code for other forms of nystagmus. 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, H55.09 (Other forms of nystagmus). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- H55.09Other forms of nystagmusapproximate
Common questions about 379.56
What is the ICD-10 code for ICD-9 379.56?
- The GEMs map 379.56 to ICD-10-CM H55.09.
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.