ICD-10-CM · Category
H00.01 — Hordeolum externum
Chapter H00-H59: Diseases of the eye and adnexa
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Ask GoDavaii AI about Hordeolum externumSub-codes under H00.01
H00.011Hordeolum externum right upper eyelidH00.012Hordeolum externum right lower eyelidH00.013Hordeolum externum right eye, unspecified eyelidH00.014Hordeolum externum left upper eyelidH00.015Hordeolum externum left lower eyelidH00.016Hordeolum externum left eye, unspecified eyelidH00.019Hordeolum externum unspecified eye, unspecified eyelid
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Common questions about H00.01 (Hordeolum externum)
What does ICD-10 code H00.01 mean?
H00.01 is the ICD-10-CM 2025 code for Hordeolum externum. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is H00.01 a billable diagnosis code?
H00.01 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under H00.01. Browse the sub-codes listed on this page.
Which ICD-10 chapter does H00.01 belong to?
H00.01 belongs to the chapter "Diseases of the eye and adnexa" (codes H00-H59). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Hordeolum externum?
For a plain-language explanation of Hordeolum externum, ask GoDavaii's Health AI - it explains medical conditions in 90+ languages, free, with no signup. Tap "Ask GoDavaii AI about Hordeolum externum" above to get a personalised answer.
Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗