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H21.3

Non-billable

Cyst of iris, ciliary body and anterior chamber

H21.3 is the ICD-10-CM code for Cyst of iris, ciliary body and anterior chamber. It is a non-billable category code — use a more specific child code such as H21.30 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H21
Subcodes
6
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

Excludes2 — not included here

  • •miotic pupillary cyst (H21.27-)

Frequently asked questions

What is ICD-10 code H21.3?
H21.3 is the ICD-10-CM code for "Cyst of iris, ciliary body and anterior chamber". It falls under H00-H59 Diseases of the eye and adnexa.
Is H21.3 a billable code?
No — H21.3 is a non-billable header code. Use a more specific child code (such as H21.30) for billing.
What are the subcodes of H21.3?
H21.3 has 6 more specific child codes, including H21.30, H21.31, H21.32.

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

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