W45: Foreign body or object entering through skin

Codes under W45 (Foreign body or object entering through skin). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
W45.0	Nail entering through skin	—
W45.0XXA	Nail entering through skin, initial encounter	✓
W45.0XXD	Nail entering through skin, subsequent encounter	✓
W45.0XXS	Nail entering through skin, sequela	✓
W45.3	Fishing hook entering through skin	—
W45.3XXA	Fishing hook entering through skin, initial encounter	✓
W45.3XXD	Fishing hook entering through skin, subsequent encounter	✓
W45.3XXS	Fishing hook entering through skin, sequela	✓
W45.8	Other foreign body or object entering through skin	—
W45.8XXA	Other foreign body or object entering through skin, initial encounter	✓
W45.8XXD	Other foreign body or object entering through skin, subsequent encounter	✓
W45.8XXS	Other foreign body or object entering through skin, 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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