H21.30

Non-billable

Idiopathic cysts of iris, ciliary body or anterior chamber

H21.30 is the ICD-10-CM code for Idiopathic cysts of iris, ciliary body or anterior chamber. It is a non-billable category code — use a more specific child code such as H21.301 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H21.3
Subcodes
4
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

Includes

  • Cyst of iris, ciliary body or anterior chamber NOS

Frequently asked questions

What is ICD-10 code H21.30?
H21.30 is the ICD-10-CM code for "Idiopathic cysts of iris, ciliary body or anterior chamber". It falls under H00-H59 Diseases of the eye and adnexa.
Is H21.30 a billable code?
No — H21.30 is a non-billable header code. Use a more specific child code (such as H21.301) for billing.
What are the subcodes of H21.30?
H21.30 has 4 more specific child codes, including H21.301, H21.302, H21.303.

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

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