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H20.1

Non-billable

Chronic iridocyclitis

H20.1 is the ICD-10-CM code for Chronic iridocyclitis. It is a non-billable category code — use a more specific child code such as H20.10 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H20
Subcodes
4
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

Excludes2 — not included here

  • •posterior cyclitis (H30.2-)

Use additional code

  • •code for any associated cataract (H26.21-)

Frequently asked questions

What is ICD-10 code H20.1?
H20.1 is the ICD-10-CM code for "Chronic iridocyclitis". It falls under H00-H59 Diseases of the eye and adnexa.
Is H20.1 a billable code?
No — H20.1 is a non-billable header code. Use a more specific child code (such as H20.10) for billing.
What are the subcodes of H20.1?
H20.1 has 4 more specific child codes, including H20.10, H20.11, H20.12.

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

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