| W56.11 | Bitten by sea lion | NON-BILLABLE CODE |
| W56.11XA | Bitten by sea lion, initial encounter | BILLABLE CODE |
| W56.11XD | Bitten by sea lion, subsequent encounter | BILLABLE CODE |
| W56.11XS | Bitten by sea lion, sequela | BILLABLE CODE |
| W56.12 | Struck by sea lion | NON-BILLABLE CODE |
| W56.12XA | Struck by sea lion, initial encounter | BILLABLE CODE |
| W56.12XD | Struck by sea lion, subsequent encounter | BILLABLE CODE |
| W56.12XS | Struck by sea lion, sequela | BILLABLE CODE |
| W56.19 | Other contact with sea lion | NON-BILLABLE CODE |
| W56.19XA | Other contact with sea lion, initial encounter | BILLABLE CODE |
| W56.19XD | Other contact with sea lion, subsequent encounter | BILLABLE CODE |
| W56.19XS | Other contact with sea lion, sequela | BILLABLE CODE |
