| W56.51 | Bitten by other fish | NON-BILLABLE CODE |
| W56.51XA | Bitten by other fish, initial encounter | BILLABLE CODE |
| W56.51XD | Bitten by other fish, subsequent encounter | BILLABLE CODE |
| W56.51XS | Bitten by other fish, sequela | BILLABLE CODE |
| W56.52 | Struck by other fish | NON-BILLABLE CODE |
| W56.52XA | Struck by other fish, initial encounter | BILLABLE CODE |
| W56.52XD | Struck by other fish, subsequent encounter | BILLABLE CODE |
| W56.52XS | Struck by other fish, sequela | BILLABLE CODE |
| W56.59 | Other contact with other fish | NON-BILLABLE CODE |
| W56.59XA | Other contact with other fish, initial encounter | BILLABLE CODE |
| W56.59XD | Other contact with other fish, subsequent encounter | BILLABLE CODE |
| W56.59XS | Other contact with other fish, sequela | BILLABLE CODE |
