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 | — |
| W90.0 | Exposure to radiofrequency | — |
| W90.0XXA | Exposure to radiofrequency, initial encounter | ✓ |
| W90.0XXA | Exposure to radiofrequency, initial encounter | ✓ |
| W90.0XXD | Exposure to radiofrequency, subsequent encounter | ✓ |
| W90.0XXD | Exposure to radiofrequency, subsequent encounter | ✓ |
| W90.0XXS | Exposure to radiofrequency, sequela | ✓ |
| W90.0XXS | Exposure to radiofrequency, sequela | ✓ |
| W90.1 | Exposure to infrared radiation | — |
| W90.1 | Exposure to infrared radiation | — |
| W90.1XXA | Exposure to infrared radiation, initial encounter | ✓ |
| W90.1XXA | Exposure to infrared radiation, initial encounter | ✓ |
| W90.1XXD | Exposure to infrared radiation, subsequent encounter | ✓ |
| W90.1XXD | Exposure to infrared radiation, subsequent encounter | ✓ |
| W90.1XXS | Exposure to infrared radiation, sequela | ✓ |
| W90.1XXS | Exposure to infrared radiation, sequela | ✓ |
| W90.2 | Exposure to laser radiation | — |
| W90.2 | Exposure to laser radiation | — |
| W90.2XXA | Exposure to laser radiation, initial encounter | ✓ |
| W90.2XXA | Exposure to laser radiation, initial encounter | ✓ |
| W90.2XXD | Exposure to laser radiation, subsequent encounter | ✓ |
| W90.2XXD | Exposure to laser radiation, subsequent encounter | ✓ |
| W90.2XXS | Exposure to laser radiation, sequela | ✓ |
| W90.2XXS | Exposure to laser radiation, sequela | ✓ |
| W90.8 | Exposure to other nonionizing radiation | — |
| W90.8 | Exposure to other nonionizing radiation | — |
| W90.8XXA | Exposure to other nonionizing radiation, initial encounter | ✓ |
| W90.8XXA | Exposure to other nonionizing radiation, initial encounter | ✓ |
| W90.8XXD | Exposure to other nonionizing radiation, subsequent encounter | ✓ |
| W90.8XXD | Exposure to other nonionizing radiation, subsequent encounter | ✓ |
| W90.8XXS | Exposure to other nonionizing radiation, sequela | ✓ |
| W90.8XXS | Exposure to other nonionizing radiation, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code W90?
W90 is an ICD-10-CM category covering Exposure to other nonionizing radiation. It contains 32 more specific diagnosis codes, 24 of which are billable.
Is W90 a billable code?
No — W90 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example W90.0 — Exposure to radiofrequency). 24 of the 32 codes under W90 are billable.
What codes fall under W90?
W90 includes W90.0, W90.0, W90.0XXA, W90.0XXA, W90.0XXD, plus 27 more. See the full list with descriptions and billable status above.
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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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