| W45 | Foreign body or object entering through skin | NON-BILLABLE CODE |
| W45.0 | Nail entering through skin | NON-BILLABLE CODE |
| W45.0XXA | Nail entering through skin, initial encounter | BILLABLE CODE |
| W45.0XXD | Nail entering through skin, subsequent encounter | BILLABLE CODE |
| W45.8 | Other foreign body or object entering through skin | NON-BILLABLE CODE |
| W45.8XXA | Other foreign body or object entering through skin, initial encounter | BILLABLE CODE |
| W45.8XXD | Other foreign body or object entering through skin, subsequent encounter | BILLABLE CODE |
| W45.8XXS | Other foreign body or object entering through skin, sequela | BILLABLE CODE |
