ICD-10-CM > V00-Y99 > Y35-Y38 > Y38 > Y38.4 > Y38.4X > Y38.4X1 Y38.4X1 Terrorism involving firearms, public safety official injured Non-Billable/Non-Specific Codes Y38.4X1A..., initial encounterY38.4X1D..., subsequent encounterY38.4X1S..., sequela