ICD-10-CM > S00-T88 > T36-T50 > T46 > T46.5 > T46.5X > T46.5X5 T46.5X5 Adverse effect of other antihypertensive drugs Non-Billable/Non-Specific Codes T46.5X5A..., initial encounterT46.5X5D..., subsequent encounterT46.5X5S..., sequela