ICD-9-CM diagnosis code (retired)
371.56 — Other stromal corneal dystrophies
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 371.56
371.56 is an ICD-9-CM diagnosis code for other stromal corneal dystrophies. 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, H18.59 (Other hereditary corneal dystrophies). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- H18.59Other hereditary corneal dystrophiesapproximate
Common questions about 371.56
What is the ICD-10 code for ICD-9 371.56?
- The GEMs map 371.56 to ICD-10-CM H18.59.
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.