W89: Exposure to man-made visible and ultraviolet light
Codes under W89 (Exposure to man-made visible and ultraviolet light). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| W89.0 | Exposure to welding light (arc) | — |
| W89.0 | Exposure to welding light (arc) | — |
| W89.0XXA | Exposure to welding light (arc), initial encounter | ✓ |
| W89.0XXA | Exposure to welding light (arc), initial encounter | ✓ |
| W89.0XXD | Exposure to welding light (arc), subsequent encounter | ✓ |
| W89.0XXD | Exposure to welding light (arc), subsequent encounter | ✓ |
| W89.0XXS | Exposure to welding light (arc), sequela | ✓ |
| W89.0XXS | Exposure to welding light (arc), sequela | ✓ |
| W89.1 | Exposure to tanning bed | — |
| W89.1 | Exposure to tanning bed | — |
| W89.1XXA | Exposure to tanning bed, initial encounter | ✓ |
| W89.1XXA | Exposure to tanning bed, initial encounter | ✓ |
| W89.1XXD | Exposure to tanning bed, subsequent encounter | ✓ |
| W89.1XXD | Exposure to tanning bed, subsequent encounter | ✓ |
| W89.1XXS | Exposure to tanning bed, sequela | ✓ |
| W89.1XXS | Exposure to tanning bed, sequela | ✓ |
| W89.8 | Exposure to other man-made visible and ultraviolet light | — |
| W89.8 | Exposure to other man-made visible and ultraviolet light | — |
| W89.8XXA | Exposure to other man-made visible and ultraviolet light, initial encounter | ✓ |
| W89.8XXA | Exposure to other man-made visible and ultraviolet light, initial encounter | ✓ |
| W89.8XXD | Exposure to other man-made visible and ultraviolet light, subsequent encounter | ✓ |
| W89.8XXD | Exposure to other man-made visible and ultraviolet light, subsequent encounter | ✓ |
| W89.8XXS | Exposure to other man-made visible and ultraviolet light, sequela | ✓ |
| W89.8XXS | Exposure to other man-made visible and ultraviolet light, sequela | ✓ |
| W89.9 | Exposure to unspecified man-made visible and ultraviolet light | — |
| W89.9 | Exposure to unspecified man-made visible and ultraviolet light | — |
| W89.9XXA | Exposure to unspecified man-made visible and ultraviolet light, initial encounter | ✓ |
| W89.9XXA | Exposure to unspecified man-made visible and ultraviolet light, initial encounter | ✓ |
| W89.9XXD | Exposure to unspecified man-made visible and ultraviolet light, subsequent encounter | ✓ |
| W89.9XXD | Exposure to unspecified man-made visible and ultraviolet light, subsequent encounter | ✓ |
| W89.9XXS | Exposure to unspecified man-made visible and ultraviolet light, sequela | ✓ |
| W89.9XXS | Exposure to unspecified man-made visible and ultraviolet light, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code W89?
W89 is an ICD-10-CM category covering Exposure to man-made visible and ultraviolet light. It contains 32 more specific diagnosis codes, 24 of which are billable.
Is W89 a billable code?
No — W89 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 W89.0 — Exposure to welding light (arc)). 24 of the 32 codes under W89 are billable.
What codes fall under W89?
W89 includes W89.0, W89.0, W89.0XXA, W89.0XXA, W89.0XXD, 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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