ICD-10-CM > H00-H59 > H15-H22 > H20 > H20.1 H20.1 Chronic iridocyclitis Non-Billable/Non-Specific Use Additional code for any associated cataract (H26.21-) Type 2 Excludes posterior cyclitis (H30.2-) Codes H20.10Chronic iridocyclitis, unspecified eyeH20.11Chronic iridocyclitis, right eyeH20.12Chronic iridocyclitis, left eyeH20.13Chronic iridocyclitis, bilateral