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)	—
W89.0XXA	Exposure to welding light (arc), initial encounter	✓
W89.0XXD	Exposure to welding light (arc), subsequent encounter	✓
W89.0XXS	Exposure to welding light (arc), sequela	✓
W89.1	Exposure to tanning bed	—
W89.1XXA	Exposure to tanning bed, initial encounter	✓
W89.1XXD	Exposure to tanning bed, subsequent encounter	✓
W89.1XXS	Exposure to tanning bed, sequela	✓
W89.8	Exposure to other man-made visible and ultraviolet light	—
W89.8XXA	Exposure to other man-made visible and ultraviolet light, initial encounter	✓
W89.8XXD	Exposure to other man-made visible and ultraviolet light, subsequent encounter	✓
W89.8XXS	Exposure to other man-made visible and ultraviolet light, sequela	✓
W89.9	Exposure to unspecified man-made visible and ultraviolet light	—
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	✓
W89.9XXS	Exposure to unspecified man-made visible and ultraviolet light, 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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