ICD-9-CM diagnosis code (retired)
173.01 — Basal cell carcinoma of skin of lip
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 173.01
173.01 is an ICD-9-CM diagnosis code for basal cell carcinoma of skin of lip. 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, C44.01 (Basal cell carcinoma of skin of lip). The match is exact.
ICD-10-CM equivalents
- C44.01Basal cell carcinoma of skin of lipexact match
Common questions about 173.01
What is the ICD-10 code for ICD-9 173.01?
- The GEMs map 173.01 to ICD-10-CM C44.01.
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.