ICD-10-CM > S00-T88 > T36-T50 > T46 > T46.3 > T46.3X > T46.3X1 T46.3X1 Poisoning by coronary vasodilators, accidental (unintentional) Non-Billable/Non-Specific Applicable To Poisoning by coronary vasodilators NOS Codes T46.3X1A..., initial encounterT46.3X1D..., subsequent encounterT46.3X1S..., sequela