| W90.0 | Exposure to radiofrequency | NON-BILLABLE CODE |
| W90.0XXA | Exposure to radiofrequency, initial encounter | BILLABLE CODE |
| W90.0XXD | Exposure to radiofrequency, subsequent encounter | BILLABLE CODE |
| W90.0XXS | Exposure to radiofrequency, sequela | BILLABLE CODE |
| W90.1 | Exposure to infrared radiation | NON-BILLABLE CODE |
| W90.1XXA | Exposure to infrared radiation, initial encounter | BILLABLE CODE |
| W90.1XXD | Exposure to infrared radiation, subsequent encounter | BILLABLE CODE |
| W90.1XXS | Exposure to infrared radiation, sequela | BILLABLE CODE |
| W90.2 | Exposure to laser radiation | NON-BILLABLE CODE |
| W90.2XXA | Exposure to laser radiation, initial encounter | BILLABLE CODE |
| W90.2XXD | Exposure to laser radiation, subsequent encounter | BILLABLE CODE |
| W90.2XXS | Exposure to laser radiation, sequela | BILLABLE CODE |
| W90.8 | Exposure to other nonionizing radiation | NON-BILLABLE CODE |
| W90.8XXA | Exposure to other nonionizing radiation, initial encounter | BILLABLE CODE |
| W90.8XXD | Exposure to other nonionizing radiation, subsequent encounter | BILLABLE CODE |
| W90.8XXS | Exposure to other nonionizing radiation, sequela | BILLABLE CODE |
