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H40.2

Non-billable

Primary angle-closure glaucoma

H40.2 is the ICD-10-CM code for Primary angle-closure glaucoma. It is a non-billable category code — use a more specific child code such as H40.20 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H40
Subcodes
5
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

Excludes1 — not coded here

  • •aqueous misdirection (H40.83-)
  • •malignant glaucoma (H40.83-)

Frequently asked questions

What is ICD-10 code H40.2?
H40.2 is the ICD-10-CM code for "Primary angle-closure glaucoma". It falls under H00-H59 Diseases of the eye and adnexa.
Is H40.2 a billable code?
No — H40.2 is a non-billable header code. Use a more specific child code (such as H40.20) for billing.
What are the subcodes of H40.2?
H40.2 has 5 more specific child codes, including H40.20, H40.21, H40.22.
What is excluded from H40.2?
Excludes1 (not coded here): aqueous misdirection (H40.83-); malignant glaucoma (H40.83-).

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

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