ICD-10-CM Diagnosis Code (2025)
Official Description for T46
Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system
Coding Notes & Guidelines for T46
poisoning by, adverse effect of and underdosing of metaraminol (T44.4)
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 papaverine (T44.3)
- 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)
Poisoning by cardiac-stimulant glycosides and drugs of similar action NOS
Poisoning by calcium-channel blockers NOS
Poisoning by other antidysrhythmic drugs NOS
Poisoning by, adverse effect of and underdosing of dipyridamole
Poisoning by coronary vasodilators NOS
Poisoning by angiotensin-converting-enzyme inhibitors NOS
Poisoning by other antihypertensive drugs NOS
Poisoning by antihyperlipidemic and antiarteriosclerotic drugs NOS
Poisoning by, adverse effect of and underdosing of nicotinic acid (derivatives)
Poisoning by peripheral vasodilators NOS
Poisoning by antivaricose drugs, including sclerosing agents NOS
The appropriate 7th character is to be added to each code from category T46
- A: initial encounter
- D: subsequent encounter
- S: sequela
Child Codes (More Specific Codes for T46):
About ICD-10-CM Code T46 (Poisoning by)
ICD-10-CM code T46 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM T46 became effective on October 1, 2024.
This page provides detailed information about T46 - Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Poisoning by related to adverse effect of and underdosing of agents primarily affecting the cardiovascular system.