ICD-10-CM category
W90: Exposure to other nonionizing radiation
Codes under W90 (Exposure to other nonionizing radiation). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| W90.0 | Exposure to radiofrequency | — |
| W90.0XXA | Exposure to radiofrequency, initial encounter | ✓ |
| W90.0XXD | Exposure to radiofrequency, subsequent encounter | ✓ |
| W90.0XXS | Exposure to radiofrequency, sequela | ✓ |
| W90.1 | Exposure to infrared radiation | — |
| W90.1XXA | Exposure to infrared radiation, initial encounter | ✓ |
| W90.1XXD | Exposure to infrared radiation, subsequent encounter | ✓ |
| W90.1XXS | Exposure to infrared radiation, sequela | ✓ |
| W90.2 | Exposure to laser radiation | — |
| W90.2XXA | Exposure to laser radiation, initial encounter | ✓ |
| W90.2XXD | Exposure to laser radiation, subsequent encounter | ✓ |
| W90.2XXS | Exposure to laser radiation, sequela | ✓ |
| W90.8 | Exposure to other nonionizing radiation | — |
| W90.8XXA | Exposure to other nonionizing radiation, initial encounter | ✓ |
| W90.8XXD | Exposure to other nonionizing radiation, subsequent encounter | ✓ |
| W90.8XXS | Exposure to other nonionizing radiation, sequela | ✓ |
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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