ICD-10-CM > V00-Y99 > Y35-Y38 > Y38 > Y38.7 > Y38.7X > Y38.7X2 Y38.7X2 Terrorism involving chemical weapons, civilian injured Non-Billable/Non-Specific Codes Y38.7X2A..., initial encounterY38.7X2D..., subsequent encounterY38.7X2S..., sequela