H21.23

Non-billable

Degeneration of iris (pigmentary)

H21.23 is the ICD-10-CM code for Degeneration of iris (pigmentary). It is a non-billable category code — use a more specific child code such as H21.231 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H21.2
Subcodes
4
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

Includes

  • Translucency of iris

Frequently asked questions

What is ICD-10 code H21.23?
H21.23 is the ICD-10-CM code for "Degeneration of iris (pigmentary)". It falls under H00-H59 Diseases of the eye and adnexa.
Is H21.23 a billable code?
No — H21.23 is a non-billable header code. Use a more specific child code (such as H21.231) for billing.
What are the subcodes of H21.23?
H21.23 has 4 more specific child codes, including H21.231, H21.232, H21.233.

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

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