| W55.81 | Bitten by other mammals | NON-BILLABLE CODE |
| W55.81XA | Bitten by other mammals, initial encounter | BILLABLE CODE |
| W55.81XD | Bitten by other mammals, subsequent encounter | BILLABLE CODE |
| W55.81XS | Bitten by other mammals, sequela | BILLABLE CODE |
| W55.82 | Struck by other mammals | NON-BILLABLE CODE |
| W55.82XA | Struck by other mammals, initial encounter | BILLABLE CODE |
| W55.82XD | Struck by other mammals, subsequent encounter | BILLABLE CODE |
| W55.82XS | Struck by other mammals, sequela | BILLABLE CODE |
| W55.89 | Other contact with other mammals | NON-BILLABLE CODE |
| W55.89XA | Other contact with other mammals, initial encounter | BILLABLE CODE |
| W55.89XD | Other contact with other mammals, subsequent encounter | BILLABLE CODE |
| W55.89XS | Other contact with other mammals, sequela | BILLABLE CODE |
