ICD-9-CM diagnosis code (retired)
363.56 — Other diffuse or generalized dystrophy of choroid, partial
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 363.56
363.56 is an ICD-9-CM diagnosis code for other diffuse or generalized dystrophy of choroid, partial. 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, H31.29 (Other hereditary choroidal dystrophy). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- H31.29Other hereditary choroidal dystrophyapproximate
Common questions about 363.56
What is the ICD-10 code for ICD-9 363.56?
- The GEMs map 363.56 to ICD-10-CM H31.29.
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.