ICD-10 Code H20.033 – Secondary infectious iridocyclitis, bilateral (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H20.033 – Secondary infectious iridocyclitis, bilateral
What it is
This code identifies inflammation of the iris and ciliary body in both eyes that is secondary to an infectious cause. Use it when the record clearly links bilateral iridocyclitis to infection.
Clinical signs
Typical findings include eye pain, redness, photophobia, and blurred vision. Clinical features vary; refer to documentation for the infectious source and confirmation that both eyes are involved.
When to use this code
Use H20.033 when the provider documents bilateral iridocyclitis caused by infection, such as an infectious uveitic process affecting both eyes. Code it when the diagnosis is established and laterality is specified as bilateral.
If the note only says iritis, anterior uveitis, or eye inflammation without an infectious cause, check documentation before assigning this code. You should also verify that the condition is not described as unilateral or unspecified.
Do not use for
Do not use this code for noninfectious iridocyclitis, isolated conjunctivitis, or unspecified uveitis. Check documentation if the record does not clearly support infection and bilateral involvement.
Coding tip
Confirm both the infectious etiology and bilateral laterality in the provider note before coding H20.033.