| Y37.220 | Military operations involving explosion of guided missile, military personnel | NON-BILLABLE CODE |
| Y37.220A | Military operations involving explosion of guided missile, military personnel, initial encounter | BILLABLE CODE |
| Y37.220D | Military operations involving explosion of guided missile, military personnel, subsequent encounter | BILLABLE CODE |
| Y37.220S | Military operations involving explosion of guided missile, military personnel, sequela | BILLABLE CODE |
| Y37.221 | Military operations involving explosion of guided missile, civilian | NON-BILLABLE CODE |
| Y37.221A | Military operations involving explosion of guided missile, civilian, initial encounter | BILLABLE CODE |
| Y37.221D | Military operations involving explosion of guided missile, civilian, subsequent encounter | BILLABLE CODE |
| Y37.221S | Military operations involving explosion of guided missile, civilian, sequela | BILLABLE CODE |
