H40.221

Non-billable

Chronic angle-closure glaucoma, right eye

H40.221 is the ICD-10-CM code for Chronic angle-closure glaucoma, right eye. It is a non-billable category code — use a more specific child code such as H40.2210 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H40.22
Subcodes
5
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 H40.221?
H40.221 is the ICD-10-CM code for "Chronic angle-closure glaucoma, right eye". It falls under H00-H59 Diseases of the eye and adnexa.
Is H40.221 a billable code?
No — H40.221 is a non-billable header code. Use a more specific child code (such as H40.2210) for billing.
What are the subcodes of H40.221?
H40.221 has 5 more specific child codes, including H40.2210, H40.2211, H40.2212.

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

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