| H20 | Iridocyclitis | NON-BILLABLE CODE |
| H20.0 | Acute and subacute iridocyclitis | NON-BILLABLE CODE |
| H20.00 | Unspecified acute and subacute iridocyclitis | BILLABLE CODE |
| H20.01 | Primary iridocyclitis | NON-BILLABLE CODE |
| H20.011 | Primary iridocyclitis, right eye | BILLABLE CODE |
| H20.012 | Primary iridocyclitis, left eye | BILLABLE CODE |
| H20.013 | Primary iridocyclitis, bilateral | BILLABLE CODE |
| H20.019 | Primary iridocyclitis, unspecified eye | BILLABLE CODE |
| H20.02 | Recurrent acute iridocyclitis | NON-BILLABLE CODE |
| H20.021 | Recurrent acute iridocyclitis, right eye | BILLABLE CODE |
| H20.022 | Recurrent acute iridocyclitis, left eye | BILLABLE CODE |
| H20.023 | Recurrent acute iridocyclitis, bilateral | BILLABLE CODE |
| H20.029 | Recurrent acute iridocyclitis, unspecified eye | BILLABLE CODE |
| H20.03 | Secondary infectious iridocyclitis | NON-BILLABLE CODE |
| H20.031 | Secondary infectious iridocyclitis, right eye | BILLABLE CODE |
| H20.032 | Secondary infectious iridocyclitis, left eye | BILLABLE CODE |
| H20.033 | Secondary infectious iridocyclitis, bilateral | BILLABLE CODE |
| H20.039 | Secondary infectious iridocyclitis, unspecified eye | BILLABLE CODE |
| H20.04 | Secondary noninfectious iridocyclitis | NON-BILLABLE CODE |
| H20.041 | Secondary noninfectious iridocyclitis, right eye | BILLABLE CODE |
| H20.042 | Secondary noninfectious iridocyclitis, left eye | BILLABLE CODE |
| H20.043 | Secondary noninfectious iridocyclitis, bilateral | BILLABLE CODE |
| H20.049 | Secondary noninfectious iridocyclitis, unspecified eye | BILLABLE CODE |
| H20.05 | Hypopyon | NON-BILLABLE CODE |
| H20.051 | Hypopyon, right eye | BILLABLE CODE |
| H20.052 | Hypopyon, left eye | BILLABLE CODE |
| H20.053 | Hypopyon, bilateral | BILLABLE CODE |
| H20.059 | Hypopyon, unspecified eye | BILLABLE CODE |
| H20.1 | Chronic iridocyclitis | NON-BILLABLE CODE |
| H20.10 | Chronic iridocyclitis, unspecified eye | BILLABLE CODE |
| H20.11 | Chronic iridocyclitis, right eye | BILLABLE CODE |
| H20.12 | Chronic iridocyclitis, left eye | BILLABLE CODE |
| H20.13 | Chronic iridocyclitis, bilateral | BILLABLE CODE |
| H20.2 | Lens-induced iridocyclitis | NON-BILLABLE CODE |
| H20.20 | Lens-induced iridocyclitis, unspecified eye | BILLABLE CODE |
| H20.21 | Lens-induced iridocyclitis, right eye | BILLABLE CODE |
| H20.22 | Lens-induced iridocyclitis, left eye | BILLABLE CODE |
| H20.23 | Lens-induced iridocyclitis, bilateral | BILLABLE CODE |
| H20.8 | Other iridocyclitis | NON-BILLABLE CODE |
| H20.81 | Fuchs' heterochromic cyclitis | NON-BILLABLE CODE |
| H20.812 | Fuchs' heterochromic cyclitis, left eye | BILLABLE CODE |
| H20.813 | Fuchs' heterochromic cyclitis, bilateral | BILLABLE CODE |
| H20.819 | Fuchs' heterochromic cyclitis, unspecified eye | BILLABLE CODE |
| H20.82 | Vogt-Koyanagi syndrome | NON-BILLABLE CODE |
| H20.821 | Vogt-Koyanagi syndrome, right eye | BILLABLE CODE |
| H20.822 | Vogt-Koyanagi syndrome, left eye | BILLABLE CODE |
| H20.823 | Vogt-Koyanagi syndrome, bilateral | BILLABLE CODE |
| H20.829 | Vogt-Koyanagi syndrome, unspecified eye | BILLABLE CODE |
| H20.9 | Unspecified iridocyclitis | BILLABLE CODE |
