ICD-10-CM > V00-Y99 > Y35-Y38 > Y36 > Y36.1 > Y36.12 Y36.12 War operations involving destruction of aircraft due to collision with other aircraft Non-Billable/Non-Specific Codes Y36.120War operations involving destruction of aircraft due to collision with other aircraft, military personnelY36.120A..., initial encounterY36.120D..., subsequent encounterY36.120S..., sequelaY36.121War operations involving destruction of aircraft due to collision with other aircraft, civilianY36.121A..., initial encounterY36.121D..., subsequent encounterY36.121S..., sequela