| W56.81 | Bitten by other nonvenomous marine animals | NON-BILLABLE CODE |
| W56.81XA | Bitten by other nonvenomous marine animals, initial encounter | BILLABLE CODE |
| W56.81XD | Bitten by other nonvenomous marine animals, subsequent encounter | BILLABLE CODE |
| W56.81XS | Bitten by other nonvenomous marine animals, sequela | BILLABLE CODE |
| W56.82 | Struck by other nonvenomous marine animals | NON-BILLABLE CODE |
| W56.82XA | Struck by other nonvenomous marine animals, initial encounter | BILLABLE CODE |
| W56.82XD | Struck by other nonvenomous marine animals, subsequent encounter | BILLABLE CODE |
| W56.82XS | Struck by other nonvenomous marine animals, sequela | BILLABLE CODE |
| W56.89 | Other contact with other nonvenomous marine animals | NON-BILLABLE CODE |
| W56.89XA | Other contact with other nonvenomous marine animals, initial encounter | BILLABLE CODE |
| W56.89XD | Other contact with other nonvenomous marine animals, subsequent encounter | BILLABLE CODE |
| W56.89XS | Other contact with other nonvenomous marine animals, sequela | BILLABLE CODE |
