H21.8

Non-billable

Other specified disorders of iris and ciliary body

H21.8 is the ICD-10-CM code for Other specified disorders of iris and ciliary body. It is a non-billable category code — use a more specific child code such as H21.81 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H21
Subcodes
3
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 H21.8?
H21.8 is the ICD-10-CM code for "Other specified disorders of iris and ciliary body". It falls under H00-H59 Diseases of the eye and adnexa.
Is H21.8 a billable code?
No — H21.8 is a non-billable header code. Use a more specific child code (such as H21.81) for billing.
What are the subcodes of H21.8?
H21.8 has 3 more specific child codes, including H21.81, H21.82, H21.89.

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

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