| W88 | Exposure to ionizing radiation |
| W88.0 | Exposure to X-rays |
| W88.1 | Exposure to radioactive isotopes |
| W88.8 | Exposure to other ionizing radiation |
| W89 | Exposure to man-made visible and ultraviolet light |
| W89.0 | Exposure to welding light (arc) |
| W89.1 | Exposure to tanning bed |
| W89.8 | Exposure to other man-made visible and ultraviolet light |
| W89.9 | Exposure to unspecified man-made visible and ultraviolet light |
| W90 | Exposure to other nonionizing radiation |
| W90.0 | Exposure to radiofrequency |
| W90.1 | Exposure to infrared radiation |
| W90.2 | Exposure to laser radiation |
| W90.8 | Exposure to other nonionizing radiation |