| Y37.460 | Military operations involving intentional restriction of air and airway, military personnel | NON-BILLABLE CODE |
| Y37.460A | Military operations involving intentional restriction of air and airway, military personnel, initial encounter | BILLABLE CODE |
| Y37.460D | Military operations involving intentional restriction of air and airway, military personnel, subsequent encounter | BILLABLE CODE |
| Y37.460S | Military operations involving intentional restriction of air and airway, military personnel, sequela | BILLABLE CODE |
| Y37.461 | Military operations involving intentional restriction of air and airway, civilian | NON-BILLABLE CODE |
| Y37.461A | Military operations involving intentional restriction of air and airway, civilian, initial encounter | BILLABLE CODE |
| Y37.461D | Military operations involving intentional restriction of air and airway, civilian, subsequent encounter | BILLABLE CODE |
| Y37.461S | Military operations involving intentional restriction of air and airway, civilian, sequela | BILLABLE CODE |
