H21.1

Non-billable

Other vascular disorders of iris and ciliary body

H21.1 is the ICD-10-CM code for Other vascular disorders of iris and ciliary body. It is a non-billable category code — use a more specific child code such as H21.1X for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H21
Subcodes
1
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

Includes

  • Neovascularization of iris or ciliary body
  • Rubeosis iridis
  • Rubeosis of iris

Frequently asked questions

What is ICD-10 code H21.1?
H21.1 is the ICD-10-CM code for "Other vascular disorders of iris and ciliary body". It falls under H00-H59 Diseases of the eye and adnexa.
Is H21.1 a billable code?
No — H21.1 is a non-billable header code. Use a more specific child code (such as H21.1X) for billing.
What are the subcodes of H21.1?
H21.1 has 1 more specific child code, including H21.1X.

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

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