| Y93.11 | Activity, swimming | BILLABLE CODE |
| Y93.12 | Activity, springboard and platform diving | BILLABLE CODE |
| Y93.13 | Activity, water polo | BILLABLE CODE |
| Y93.14 | Activity, water aerobics and water exercise | BILLABLE CODE |
| Y93.15 | Activity, underwater diving and snorkeling | BILLABLE CODE |
| Y93.16 | Activity, rowing, canoeing, kayaking, rafting and tubing | BILLABLE CODE |
| Y93.17 | Activity, water skiing and wake boarding | BILLABLE CODE |
| Y93.18 | Activity, surfing, windsurfing and boogie boarding | BILLABLE CODE |
| Y93.19 | Activity, other involving water and watercraft | BILLABLE CODE |
