ICD-9-CM diagnosis code (retired)
110.1 — Dermatophytosis of nail
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 110.1
110.1 is an ICD-9-CM diagnosis code for dermatophytosis of nail. 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, B35.1 (Tinea unguium). The match is exact.
ICD-10-CM equivalents
- B35.1Tinea unguiumexact match
Common questions about 110.1
What is the ICD-10 code for ICD-9 110.1?
- The GEMs map 110.1 to ICD-10-CM B35.1.
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.