ICD-10-CM > S00-T88 > T36-T50 > T46 > T46.3 > T46.3X > T46.3X5 T46.3X5 Adverse effect of coronary vasodilators Non-Billable/Non-Specific Codes T46.3X5A..., initial encounterT46.3X5D..., subsequent encounterT46.3X5S..., sequela