ICD-10-CM > V00-Y99 > Y35-Y38 > Y35 > Y35.2 > Y35.20 > Y35.209 Y35.209 Legal intervention involving unspecified gas, unspecified person injured Non-Billable/Non-Specific Codes Y35.209A..., initial encounterY35.209D..., subsequent encounterY35.209S..., sequela