ICD-10 Code: H00.021 – Hordeolum internum right upper eyelid

ICD-10 code H00.021 corresponds to Hordeolum internum right upper eyelid. This code is classified under the chapter H00 Hordeolum and chalazion, which is part of the H00-H05: Disorders of eyelid, lacrimal system and orbit category.

The parent chapter is Diseases of the eye and adnexa.