ICD-10 Code H20.022 – Recurrent acute iridocyclitis, left eye (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H20.022 – Recurrent acute iridocyclitis, left eye
What it is
This code identifies recurrent episodes of acute iridocyclitis affecting the left eye. It refers to inflammation involving the iris and ciliary body, with laterality specified as left.
Clinical signs
Typical findings include eye pain, redness, photophobia, and blurred vision. Clinical features vary; refer to documentation, especially for evidence of recurrence and left-eye involvement.
When to use this code
Use H20.022 when the provider documents recurrent acute iridocyclitis in the left eye. Apply it for follow-up or active encounters when the diagnosis is clearly stated and laterality is confirmed.
If the record only says iritis, anterior uveitis, or unspecified eye involvement, check documentation before coding. You should not assume recurrence unless the provider explicitly documents repeated episodes.
Do not use for
Do not use this code for iridocyclitis in the right eye, both eyes, or unspecified eye. It is also incorrect when the note describes another uveitis subtype without recurrent acute iridocyclitis.
Coding tip
Confirm both recurrence and left-eye laterality in the provider note before assigning H20.022.