ICD-10-CM > S00-T88 > T36-T50 > T48 > T48.9 > T48.99 > T48.992 T48.992 Poisoning by other agents primarily acting on the respiratory system, intentional self-harm Non-Billable/Non-Specific Codes T48.992A..., initial encounterT48.992D..., subsequent encounterT48.992S..., sequela