ICD-10-CM > V00-Y99 > Y35-Y38 > Y37 > Y37.4 > Y37.45 Y37.45 Military operations involving combat using blunt or piercing object Non-Billable/Non-Specific Codes Y37.450Military operations involving combat using blunt or piercing object, military personnelY37.450A..., initial encounterY37.450D..., subsequent encounterY37.450S..., sequelaY37.451Military operations involving combat using blunt or piercing object, civilianY37.451A..., initial encounterY37.451D..., subsequent encounterY37.451S..., sequela