T46.5X

T46.5X: Poisoning by, adverse effect of and underdosing of other antihypertensive drugs

Non-billable headerICD-10-CM

T46.5X is a non-billable header ICD-10-CM code for poisoning by, adverse effect of and underdosing of other antihypertensive drugs. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category T46

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 inherited from the categories above T46.5X

A category’s note binds every code beneath it.

Written on T46: Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system

poisoning by, adverse effect of and underdosing of metaraminol (T44.4)

Excludes2 inherited from the categories above T46.5X

Not part of this code, but both may be coded when both are present.

Written on T46.5: Poisoning by, adverse effect of and underdosing of other antihypertensive drugs

poisoning by, adverse effect of and underdosing of beta-adrenoreceptor antagonists (T44.7)
poisoning by, adverse effect of and underdosing of calcium-channel blockers (T46.1)
poisoning by, adverse effect of and underdosing of diuretics (T50.0-T50.2)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead T46.5X

6 child codes. Green means billable.