| Y36.540 | War operation involving nuclear radiation effects of nuclear weapon, military personnel | NON-BILLABLE CODE |
| Y36.540A | War operation involving nuclear radiation effects of nuclear weapon, military personnel, initial encounter | BILLABLE CODE |
| Y36.540D | War operation involving nuclear radiation effects of nuclear weapon, military personnel, subsequent encounter | BILLABLE CODE |
| Y36.540S | War operation involving nuclear radiation effects of nuclear weapon, military personnel, sequela | BILLABLE CODE |
| Y36.541 | War operation involving nuclear radiation effects of nuclear weapon, civilian | NON-BILLABLE CODE |
| Y36.541A | War operation involving nuclear radiation effects of nuclear weapon, civilian, initial encounter | BILLABLE CODE |
| Y36.541D | War operation involving nuclear radiation effects of nuclear weapon, civilian, subsequent encounter | BILLABLE CODE |
| Y36.541S | War operation involving nuclear radiation effects of nuclear weapon, civilian, sequela | BILLABLE CODE |
