ICD-10-CM > S00-T88 > T36-T50 > T46 > T46.5 > T46.5X > T46.5X2 T46.5X2 Poisoning by other antihypertensive drugs, intentional self-harm Non-Billable/Non-Specific Codes T46.5X2A..., initial encounterT46.5X2D..., subsequent encounterT46.5X2S..., sequela