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H40.03

Non-billable

Anatomical narrow angle

H40.03 is the ICD-10-CM code for Anatomical narrow angle. It is a non-billable category code — use a more specific child code such as H40.031 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H40.0
Subcodes
4
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

Includes

  • •Primary angle closure suspect

Frequently asked questions

What is ICD-10 code H40.03?
H40.03 is the ICD-10-CM code for "Anatomical narrow angle". It falls under H00-H59 Diseases of the eye and adnexa.
Is H40.03 a billable code?
No — H40.03 is a non-billable header code. Use a more specific child code (such as H40.031) for billing.
What are the subcodes of H40.03?
H40.03 has 4 more specific child codes, including H40.031, H40.032, H40.033.

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

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