9A01.20 Hordeolum externum

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01

An acute focal pyogenic infection of the eyelash follicle commonly known as a stye and caused predominantly by Staphylococcus aureus. It presents as an acute painful inflammatory eyelid swelling which subsequently discharges at the eyelid margin.

postcoordination

synonyms

• Hordeolum externum
• Boil involving eyelash follicle
• External hordeolum
• Stye
• Follicular abscess of eyelash
• Folliculitis of eyelash
• Hordeolum externum upper eyelid
• Hordeolum externum lower eyelid

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