ICD-9-CM diagnosis code (retired)
173.12 — Squamous cell carcinoma of eyelid, including canthus
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 173.12
173.12 is an ICD-9-CM diagnosis code for squamous cell carcinoma of eyelid, including canthus. 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, C44.121 (Squamous cell carcinoma of skin of unspecified eyelid, including canthus). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- C44.121Squamous cell carcinoma of skin of unspecified eyelid, including canthusapproximate
Common questions about 173.12
What is the ICD-10 code for ICD-9 173.12?
- The GEMs map 173.12 to ICD-10-CM C44.121.
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.