H00.0

Non-billable

Hordeolum (externum) (internum) of eyelid

H00.0 is the ICD-10-CM code for Hordeolum (externum) (internum) of eyelid. It is a non-billable category code — use a more specific child code such as H00.01 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H00
Subcodes
3
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code H00.0?
H00.0 is the ICD-10-CM code for "Hordeolum (externum) (internum) of eyelid". It falls under H00-H59 Diseases of the eye and adnexa.
Is H00.0 a billable code?
No — H00.0 is a non-billable header code. Use a more specific child code (such as H00.01) for billing.
What are the subcodes of H00.0?
H00.0 has 3 more specific child codes, including H00.01, H00.02, H00.03.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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