ICD-10-CM > V00-Y99 > Y35-Y38 > Y36 > Y36.4 > Y36.45 Y36.45 War operations involving combat using blunt or piercing object Non-Billable/Non-Specific Codes Y36.450War operations involving combat using blunt or piercing object, military personnelY36.450A..., initial encounterY36.450D..., subsequent encounterY36.450S..., sequelaY36.451War operations involving combat using blunt or piercing object, civilianY36.451A..., initial encounterY36.451D..., subsequent encounterY36.451S..., sequela