| H05.00 | Unspecified acute inflammation of orbit | BILLABLE CODE |
| H05.01 | Cellulitis of orbit | NON-BILLABLE CODE |
| H05.011 | Cellulitis of right orbit | BILLABLE CODE |
| H05.012 | Cellulitis of left orbit | BILLABLE CODE |
| H05.013 | Cellulitis of bilateral orbits | BILLABLE CODE |
| H05.019 | Cellulitis of unspecified orbit | BILLABLE CODE |
| H05.02 | Osteomyelitis of orbit | NON-BILLABLE CODE |
| H05.021 | Osteomyelitis of right orbit | BILLABLE CODE |
| H05.022 | Osteomyelitis of left orbit | BILLABLE CODE |
| H05.023 | Osteomyelitis of bilateral orbits | BILLABLE CODE |
| H05.029 | Osteomyelitis of unspecified orbit | BILLABLE CODE |
| H05.03 | Periostitis of orbit | NON-BILLABLE CODE |
| H05.031 | Periostitis of right orbit | BILLABLE CODE |
| H05.032 | Periostitis of left orbit | BILLABLE CODE |
| H05.033 | Periostitis of bilateral orbits | BILLABLE CODE |
| H05.039 | Periostitis of unspecified orbit | BILLABLE CODE |
| H05.04 | Tenonitis of orbit | NON-BILLABLE CODE |
| H05.041 | Tenonitis of right orbit | BILLABLE CODE |
| H05.042 | Tenonitis of left orbit | BILLABLE CODE |
| H05.043 | Tenonitis of bilateral orbits | BILLABLE CODE |
| H05.049 | Tenonitis of unspecified orbit | BILLABLE CODE |
