| W30 | Contact with agricultural machinery | NON-BILLABLE CODE |
| W30.0 | Contact with combine harvester | NON-BILLABLE CODE |
| W30.0XXA | Contact with combine harvester, initial encounter | BILLABLE CODE |
| W30.0XXD | Contact with combine harvester, subsequent encounter | BILLABLE CODE |
| W30.0XXS | Contact with combine harvester, sequela | BILLABLE CODE |
| W30.1 | Contact with power take-off devices (PTO) | NON-BILLABLE CODE |
| W30.1XXA | Contact with power take-off devices (PTO), initial encounter | BILLABLE CODE |
| W30.1XXD | Contact with power take-off devices (PTO), subsequent encounter | BILLABLE CODE |
| W30.1XXS | Contact with power take-off devices (PTO), sequela | BILLABLE CODE |
| W30.2 | Contact with hay derrick | NON-BILLABLE CODE |
| W30.2XXA | Contact with hay derrick, initial encounter | BILLABLE CODE |
| W30.2XXD | Contact with hay derrick, subsequent encounter | BILLABLE CODE |
| W30.3 | Contact with grain storage elevator | NON-BILLABLE CODE |
| W30.3XXA | Contact with grain storage elevator, initial encounter | BILLABLE CODE |
| W30.3XXD | Contact with grain storage elevator, subsequent encounter | BILLABLE CODE |
| W30.3XXS | Contact with grain storage elevator, sequela | BILLABLE CODE |
| W30.8 | Contact with other specified agricultural machinery | NON-BILLABLE CODE |
| W30.81 | Contact with agricultural transport vehicle in stationary use | NON-BILLABLE CODE |
| W30.81XA | Contact with agricultural transport vehicle in stationary use, initial encounter | BILLABLE CODE |
| W30.81XD | Contact with agricultural transport vehicle in stationary use, subsequent encounter | BILLABLE CODE |
| W30.81XS | Contact with agricultural transport vehicle in stationary use, sequela | BILLABLE CODE |
| W30.89 | Contact with other specified agricultural machinery | NON-BILLABLE CODE |
| W30.89XA | Contact with other specified agricultural machinery, initial encounter | BILLABLE CODE |
| W30.89XD | Contact with other specified agricultural machinery, subsequent encounter | BILLABLE CODE |
| W30.89XS | Contact with other specified agricultural machinery, sequela | BILLABLE CODE |
| W30.9 | Contact with unspecified agricultural machinery | NON-BILLABLE CODE |
| W30.9XXA | Contact with unspecified agricultural machinery, initial encounter | BILLABLE CODE |
| W30.9XXD | Contact with unspecified agricultural machinery, subsequent encounter | BILLABLE CODE |
| W30.9XXS | Contact with unspecified agricultural machinery, sequela | BILLABLE CODE |
