ICD-9-CM diagnosis code (retired)
373.11 — Hordeolum externum
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 373.11
373.11 is an ICD-9-CM diagnosis code for Hordeolum externum. 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, H00.019 (Hordeolum externum unspecified eye, unspecified eyelid). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- H00.019Hordeolum externum unspecified eye, unspecified eyelidapproximate
Common questions about 373.11
What is the ICD-10 code for ICD-9 373.11?
- The GEMs map 373.11 to ICD-10-CM H00.019.
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.