ICD-10-CM > S00-T88 > T36-T50 > T48 > T48.3 > T48.3X > T48.3X2 T48.3X2 Poisoning by antitussives, intentional self-harm Non-Billable/Non-Specific Codes T48.3X2A..., initial encounterT48.3X2D..., subsequent encounterT48.3X2S..., sequela