ICD-10-CM > S00-T88 > T36-T50 > T48 > T48.9 > T48.99 > T48.993 T48.993 Poisoning by other agents primarily acting on the respiratory system, assault Non-Billable/Non-Specific Codes T48.993A..., initial encounterT48.993D..., subsequent encounterT48.993S..., sequela