T46 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system.
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Poisoning by, adverse effect of and underdosing of metaraminol (T44.4)
The appropriate 7th character is to be added to each code from category T46
A: initial encounter
D: subsequent encounter
S: sequela
Poisoning by, adverse effect of and underdosing of cardiac-stimulant glycosides and drugs of similar action
Poisoning by, adverse effect of and underdosing of calcium-channel blockers
Poisoning by, adverse effect of and underdosing of other antidysrhythmic drugs, not elsewhere classified
Poisoning by, adverse effect of and underdosing of coronary vasodilators
Poisoning by, adverse effect of and underdosing of angiotensin-converting-enzyme inhibitors
Poisoning by, adverse effect of and underdosing of other antihypertensive drugs
Poisoning by, adverse effect of and underdosing of antihyperlipidemic and antiarteriosclerotic drugs
Poisoning by, adverse effect of and underdosing of peripheral vasodilators
Poisoning by, adverse effect of and underdosing of antivaricose drugs, including sclerosing agents
Poisoning by, adverse effect of and underdosing of other and unspecified agents primarily affecting the cardiovascular system
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