ICD-9-CM diagnosis code (retired)
373.00 — Blepharitis, unspecified
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 373.00
373.00 is an ICD-9-CM diagnosis code for blepharitis, unspecified. 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, H01.009 (Unspecified blepharitis unspecified eye, unspecified eyelid). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- H01.009Unspecified blepharitis unspecified eye, unspecified eyelidapproximate
Common questions about 373.00
What is the ICD-10 code for ICD-9 373.00?
- The GEMs map 373.00 to ICD-10-CM H01.009.
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.