ICD-9-CM diagnosis code (retired)
366.12 — Incipient senile cataract
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 366.12
366.12 is an ICD-9-CM diagnosis code for incipient senile cataract. 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, H25.099 (Other age-related incipient cataract, unspecified eye). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- H25.099Other age-related incipient cataract, unspecified eyeapproximate
Common questions about 366.12
What is the ICD-10 code for ICD-9 366.12?
- The GEMs map 366.12 to ICD-10-CM H25.099.
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.