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