| Y37.500 | Military operations involving unspecified effect of nuclear weapon, military personnel | NON-BILLABLE CODE |
| Y37.500A | Military operations involving unspecified effect of nuclear weapon, military personnel, initial encounter | BILLABLE CODE |
| Y37.500D | Military operations involving unspecified effect of nuclear weapon, military personnel, subsequent encounter | BILLABLE CODE |
| Y37.500S | Military operations involving unspecified effect of nuclear weapon, military personnel, sequela | BILLABLE CODE |
| Y37.501 | Military operations involving unspecified effect of nuclear weapon, civilian | NON-BILLABLE CODE |
| Y37.501A | Military operations involving unspecified effect of nuclear weapon, civilian, initial encounter | BILLABLE CODE |
| Y37.501D | Military operations involving unspecified effect of nuclear weapon, civilian, subsequent encounter | BILLABLE CODE |
| Y37.501S | Military operations involving unspecified effect of nuclear weapon, civilian, sequela | BILLABLE CODE |
