T46.3X1S
✓ Billable
Poisoning by coronary vasodilators, accidental (unintentional), sequela
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
T46.3X1S
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code T46.3X1S?
ICD-10-CM code T46.3X1S represents Poisoning by coronary vasodilators, accidental (unintentional), sequela. It is a billable diagnosis code in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is T46.3X1S billable?
Yes. T46.3X1S is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is T46.3X1S in?
T46.3X1S belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.
Related codes in the T46 category
T46
Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system
Non-billable
T46.0
Poisoning by, adverse effect of and underdosing of cardiac-stimulant glycosides and drugs of similar action
Non-billable
T46.1
Poisoning by, adverse effect of and underdosing of calcium-channel blockers
Non-billable
T46.2
Poisoning by, adverse effect of and underdosing of other antidysrhythmic drugs, not elsewhere classified
Non-billable
T46.3
Poisoning by, adverse effect of and underdosing of coronary vasodilators
Non-billable
T46.4
Poisoning by, adverse effect of and underdosing of angiotensin-converting-enzyme inhibitors
Non-billable
T46.5
Poisoning by, adverse effect of and underdosing of other antihypertensive drugs
Non-billable
T46.6
Poisoning by, adverse effect of and underdosing of antihyperlipidemic and antiarteriosclerotic drugs
Non-billable
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