ICD-10-CM > V00-Y99 > Y35-Y38 > Y37 > Y37.1 > Y37.12 Y37.12 Military operations involving destruction of aircraft due to collision with other aircraft Non-Billable/Non-Specific Codes Y37.120Military operations involving destruction of aircraft due to collision with other aircraft, military personnelY37.120A..., initial encounterY37.120D..., subsequent encounterY37.120S..., sequelaY37.121Military operations involving destruction of aircraft due to collision with other aircraft, civilianY37.121A..., initial encounterY37.121D..., subsequent encounterY37.121S..., sequela