Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
T46: Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system

excludes1
poisoning by, adverse effect of and underdosing of metaraminol (T44.4)

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

sevenChrDef
A: initial encounter
D: subsequent encounter
S: sequela
T46.0: Poisoning by, adverse effect of and underdosing of cardiac-stimulant glycosides and drugs of similar action
T46.1: Poisoning by, adverse effect of and underdosing of calcium-channel blockers
T46.2: Poisoning by, adverse effect of and underdosing of other antidysrhythmic drugs, not elsewhere classified
T46.3: Poisoning by, adverse effect of and underdosing of coronary vasodilators
T46.4: Poisoning by, adverse effect of and underdosing of angiotensin-converting-enzyme inhibitors
T46.5: Poisoning by, adverse effect of and underdosing of other antihypertensive drugs
T46.6: Poisoning by, adverse effect of and underdosing of antihyperlipidemic and antiarteriosclerotic drugs
T46.7: Poisoning by, adverse effect of and underdosing of peripheral vasodilators
T46.8: Poisoning by, adverse effect of and underdosing of antivaricose drugs, including sclerosing agents
T46.9: Poisoning by, adverse effect of and underdosing of other and unspecified agents primarily affecting the cardiovascular system

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