H00.1

Non-billable

Chalazion

H00.1 is the ICD-10-CM code for Chalazion. It is a non-billable category code — use a more specific child code such as H00.11 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H00
Subcodes
7
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

Includes

  • Meibomian (gland) cyst

Excludes2 — not included here

  • infected meibomian gland (H00.02-)

Frequently asked questions

What is ICD-10 code H00.1?
H00.1 is the ICD-10-CM code for "Chalazion". It falls under H00-H59 Diseases of the eye and adnexa.
Is H00.1 a billable code?
No — H00.1 is a non-billable header code. Use a more specific child code (such as H00.11) for billing.
What are the subcodes of H00.1?
H00.1 has 7 more specific child codes, including H00.11, H00.12, H00.13.

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

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