ICD-10-CM > S00-T88 > T36-T50 > T44 > T44.9 > T44.99 > T44.992 T44.992 Poisoning by other drug primarily affecting the autonomic nervous system, intentional self-harm Non-Billable/Non-Specific Codes T44.992A..., initial encounterT44.992D..., subsequent encounterT44.992S..., sequela