| 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 |
