Skip to content
Dx

ICD-10-CM 2027

ICD-10 code for chronic iridocyclitis

H20.1

Chronic iridocyclitis

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Iridocyclitis › chronic”. Page updated September 29, 2026.

About coding chronic iridocyclitis

The ICD-10-CM code for chronic iridocyclitis is H20.1 (Chronic iridocyclitis).

Within H20 (iridocyclitis), H20.1 is specifically for chronic iridocyclitis. Related codes cover acute and subacute iridocyclitis (H20.0), Lens-induced iridocyclitis (H20.2), other iridocyclitis (H20.8) and unspecified iridocyclitis (H20.9).

To report this condition, pick the subcode that matches the documentation: H20.10 (unspecified eye), H20.11 (right eye), H20.12 (left eye) and H20.13 (bilateral).

The conditions in its Excludes2 note aren't part of H20.1, but may be coded alongside it if the patient has both: posterior cyclitis (H30.2-).

Common questions about chronic iridocyclitis ICD-10 codes

What is the ICD-10 code for chronic iridocyclitis?

H20.1 — Chronic iridocyclitis (a header code; report a more specific subcode).

Is H20.1 billable?

No. H20.1 is a header code. Report one of its more specific subcodes instead.