| Y37.230 | Military operations involving explosion of improvised explosive device [IED], military personnel | NON-BILLABLE CODE |
| Y37.230A | Military operations involving explosion of improvised explosive device [IED], military personnel, initial encounter | BILLABLE CODE |
| Y37.230D | Military operations involving explosion of improvised explosive device [IED], military personnel, subsequent encounter | BILLABLE CODE |
| Y37.230S | Military operations involving explosion of improvised explosive device [IED], military personnel, sequela | BILLABLE CODE |
| Y37.231 | Military operations involving explosion of improvised explosive device [IED], civilian | NON-BILLABLE CODE |
| Y37.231A | Military operations involving explosion of improvised explosive device [IED], civilian, initial encounter | BILLABLE CODE |
| Y37.231D | Military operations involving explosion of improvised explosive device [IED], civilian, subsequent encounter | BILLABLE CODE |
| Y37.231S | Military operations involving explosion of improvised explosive device [IED], civilian, sequela | BILLABLE CODE |
