Is T46 a billable code?
No. T46 is a header code that groups 198 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
T46: Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T46 groups related diagnoses under poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T46
- T46.0X1APoisoning by cardiac-stimulant glycosides and drugs of similar action, accidental (unintentional), initial encounter
- T46.0X1DPoisoning by cardiac-stimulant glycosides and drugs of similar action, accidental (unintentional), subsequent encounter
- T46.0X1SPoisoning by cardiac-stimulant glycosides and drugs of similar action, accidental (unintentional), sequela
- T46.0X2APoisoning by cardiac-stimulant glycosides and drugs of similar action, intentional self-harm, initial encounter
- T46.0X2DPoisoning by cardiac-stimulant glycosides and drugs of similar action, intentional self-harm, subsequent encounter
- T46.0X2SPoisoning by cardiac-stimulant glycosides and drugs of similar action, intentional self-harm, sequela
- T46.0X3APoisoning by cardiac-stimulant glycosides and drugs of similar action, assault, initial encounter
- T46.0X3DPoisoning by cardiac-stimulant glycosides and drugs of similar action, assault, subsequent encounter
- T46.0X3SPoisoning by cardiac-stimulant glycosides and drugs of similar action, assault, sequela
- T46.0X4APoisoning by cardiac-stimulant glycosides and drugs of similar action, undetermined, initial encounter
- T46.0X4DPoisoning by cardiac-stimulant glycosides and drugs of similar action, undetermined, subsequent encounter
- T46.0X4SPoisoning by cardiac-stimulant glycosides and drugs of similar action, undetermined, sequela
- T46.0X5AAdverse effect of cardiac-stimulant glycosides and drugs of similar action, initial encounter
- T46.0X5DAdverse effect of cardiac-stimulant glycosides and drugs of similar action, subsequent encounter
- T46.0X5SAdverse effect of cardiac-stimulant glycosides and drugs of similar action, sequela
- T46.0X6AUnderdosing of cardiac-stimulant glycosides and drugs of similar action, initial encounter
- T46.0X6DUnderdosing of cardiac-stimulant glycosides and drugs of similar action, subsequent encounter
- T46.0X6SUnderdosing of cardiac-stimulant glycosides and drugs of similar action, sequela
- T46.1X1APoisoning by calcium-channel blockers, accidental (unintentional), initial encounter
- T46.1X1DPoisoning by calcium-channel blockers, accidental (unintentional), subsequent encounter
- T46.1X1SPoisoning by calcium-channel blockers, accidental (unintentional), sequela
- T46.1X2APoisoning by calcium-channel blockers, intentional self-harm, initial encounter
- T46.1X2DPoisoning by calcium-channel blockers, intentional self-harm, subsequent encounter
- T46.1X2SPoisoning by calcium-channel blockers, intentional self-harm, sequela
- T46.1X3APoisoning by calcium-channel blockers, assault, initial encounter
- T46.1X3DPoisoning by calcium-channel blockers, assault, subsequent encounter
- T46.1X3SPoisoning by calcium-channel blockers, assault, sequela
- T46.1X4APoisoning by calcium-channel blockers, undetermined, initial encounter
- T46.1X4DPoisoning by calcium-channel blockers, undetermined, subsequent encounter
- T46.1X4SPoisoning by calcium-channel blockers, undetermined, sequela
- T46.1X5AAdverse effect of calcium-channel blockers, initial encounter
- T46.1X5DAdverse effect of calcium-channel blockers, subsequent encounter
- T46.1X5SAdverse effect of calcium-channel blockers, sequela
- T46.1X6AUnderdosing of calcium-channel blockers, initial encounter
- T46.1X6DUnderdosing of calcium-channel blockers, subsequent encounter
- T46.1X6SUnderdosing of calcium-channel blockers, sequela
- T46.2X1APoisoning by other antidysrhythmic drugs, accidental (unintentional), initial encounter
- T46.2X1DPoisoning by other antidysrhythmic drugs, accidental (unintentional), subsequent encounter
- T46.2X1SPoisoning by other antidysrhythmic drugs, accidental (unintentional), sequela
- T46.2X2APoisoning by other antidysrhythmic drugs, intentional self-harm, initial encounter
- T46.2X2DPoisoning by other antidysrhythmic drugs, intentional self-harm, subsequent encounter
- T46.2X2SPoisoning by other antidysrhythmic drugs, intentional self-harm, sequela
- T46.2X3APoisoning by other antidysrhythmic drugs, assault, initial encounter
- T46.2X3DPoisoning by other antidysrhythmic drugs, assault, subsequent encounter
- T46.2X3SPoisoning by other antidysrhythmic drugs, assault, sequela
- T46.2X4APoisoning by other antidysrhythmic drugs, undetermined, initial encounter
- T46.2X4DPoisoning by other antidysrhythmic drugs, undetermined, subsequent encounter
- T46.2X4SPoisoning by other antidysrhythmic drugs, undetermined, sequela
- T46.2X5AAdverse effect of other antidysrhythmic drugs, initial encounter
- T46.2X5DAdverse effect of other antidysrhythmic drugs, subsequent encounter
- T46.2X5SAdverse effect of other antidysrhythmic drugs, sequela
- T46.2X6AUnderdosing of other antidysrhythmic drugs, initial encounter
- T46.2X6DUnderdosing of other antidysrhythmic drugs, subsequent encounter
- T46.2X6SUnderdosing of other antidysrhythmic drugs, sequela
- T46.3X1APoisoning by coronary vasodilators, accidental (unintentional), initial encounter
- T46.3X1DPoisoning by coronary vasodilators, accidental (unintentional), subsequent encounter
- T46.3X1SPoisoning by coronary vasodilators, accidental (unintentional), sequela
- T46.3X2APoisoning by coronary vasodilators, intentional self-harm, initial encounter
- T46.3X2DPoisoning by coronary vasodilators, intentional self-harm, subsequent encounter
- T46.3X2SPoisoning by coronary vasodilators, intentional self-harm, sequela
- T46.3X3APoisoning by coronary vasodilators, assault, initial encounter
- T46.3X3DPoisoning by coronary vasodilators, assault, subsequent encounter
- T46.3X3SPoisoning by coronary vasodilators, assault, sequela
- T46.3X4APoisoning by coronary vasodilators, undetermined, initial encounter
- T46.3X4DPoisoning by coronary vasodilators, undetermined, subsequent encounter
- T46.3X4SPoisoning by coronary vasodilators, undetermined, sequela
- T46.3X5AAdverse effect of coronary vasodilators, initial encounter
- T46.3X5DAdverse effect of coronary vasodilators, subsequent encounter
- T46.3X5SAdverse effect of coronary vasodilators, sequela
- T46.3X6AUnderdosing of coronary vasodilators, initial encounter
- T46.3X6DUnderdosing of coronary vasodilators, subsequent encounter
- T46.3X6SUnderdosing of coronary vasodilators, sequela
- T46.4X1APoisoning by angiotensin-converting-enzyme inhibitors, accidental (unintentional), initial encounter
- T46.4X1DPoisoning by angiotensin-converting-enzyme inhibitors, accidental (unintentional), subsequent encounter
- T46.4X1SPoisoning by angiotensin-converting-enzyme inhibitors, accidental (unintentional), sequela
- T46.4X2APoisoning by angiotensin-converting-enzyme inhibitors, intentional self-harm, initial encounter
- T46.4X2DPoisoning by angiotensin-converting-enzyme inhibitors, intentional self-harm, subsequent encounter
- T46.4X2SPoisoning by angiotensin-converting-enzyme inhibitors, intentional self-harm, sequela
- T46.4X3APoisoning by angiotensin-converting-enzyme inhibitors, assault, initial encounter
- T46.4X3DPoisoning by angiotensin-converting-enzyme inhibitors, assault, subsequent encounter
- T46.4X3SPoisoning by angiotensin-converting-enzyme inhibitors, assault, sequela
- T46.4X4APoisoning by angiotensin-converting-enzyme inhibitors, undetermined, initial encounter
- T46.4X4DPoisoning by angiotensin-converting-enzyme inhibitors, undetermined, subsequent encounter
- T46.4X4SPoisoning by angiotensin-converting-enzyme inhibitors, undetermined, sequela
- T46.4X5AAdverse effect of angiotensin-converting-enzyme inhibitors, initial encounter
- T46.4X5DAdverse effect of angiotensin-converting-enzyme inhibitors, subsequent encounter
- T46.4X5SAdverse effect of angiotensin-converting-enzyme inhibitors, sequela
- T46.4X6AUnderdosing of angiotensin-converting-enzyme inhibitors, initial encounter
- T46.4X6DUnderdosing of angiotensin-converting-enzyme inhibitors, subsequent encounter
- T46.4X6SUnderdosing of angiotensin-converting-enzyme inhibitors, sequela
- T46.5X1APoisoning by other antihypertensive drugs, accidental (unintentional), initial encounter
- T46.5X1DPoisoning by other antihypertensive drugs, accidental (unintentional), subsequent encounter
- T46.5X1SPoisoning by other antihypertensive drugs, accidental (unintentional), sequela
- T46.5X2APoisoning by other antihypertensive drugs, intentional self-harm, initial encounter
- T46.5X2DPoisoning by other antihypertensive drugs, intentional self-harm, subsequent encounter
- T46.5X2SPoisoning by other antihypertensive drugs, intentional self-harm, sequela
- T46.5X3APoisoning by other antihypertensive drugs, assault, initial encounter
- T46.5X3DPoisoning by other antihypertensive drugs, assault, subsequent encounter
- T46.5X3SPoisoning by other antihypertensive drugs, assault, sequela
- T46.5X4APoisoning by other antihypertensive drugs, undetermined, initial encounter
- T46.5X4DPoisoning by other antihypertensive drugs, undetermined, subsequent encounter
- T46.5X4SPoisoning by other antihypertensive drugs, undetermined, sequela
- T46.5X5AAdverse effect of other antihypertensive drugs, initial encounter
- T46.5X5DAdverse effect of other antihypertensive drugs, subsequent encounter
- T46.5X5SAdverse effect of other antihypertensive drugs, sequela
- T46.5X6AUnderdosing of other antihypertensive drugs, initial encounter
- T46.5X6DUnderdosing of other antihypertensive drugs, subsequent encounter
- T46.5X6SUnderdosing of other antihypertensive drugs, sequela
- T46.6X1APoisoning by antihyperlipidemic and antiarteriosclerotic drugs, accidental (unintentional), initial encounter
- T46.6X1DPoisoning by antihyperlipidemic and antiarteriosclerotic drugs, accidental (unintentional), subsequent encounter
- T46.6X1SPoisoning by antihyperlipidemic and antiarteriosclerotic drugs, accidental (unintentional), sequela
- T46.6X2APoisoning by antihyperlipidemic and antiarteriosclerotic drugs, intentional self-harm, initial encounter
- T46.6X2DPoisoning by antihyperlipidemic and antiarteriosclerotic drugs, intentional self-harm, subsequent encounter
- T46.6X2SPoisoning by antihyperlipidemic and antiarteriosclerotic drugs, intentional self-harm, sequela
- T46.6X3APoisoning by antihyperlipidemic and antiarteriosclerotic drugs, assault, initial encounter
- T46.6X3DPoisoning by antihyperlipidemic and antiarteriosclerotic drugs, assault, subsequent encounter
- T46.6X3SPoisoning by antihyperlipidemic and antiarteriosclerotic drugs, assault, sequela
- T46.6X4APoisoning by antihyperlipidemic and antiarteriosclerotic drugs, undetermined, initial encounter
- T46.6X4DPoisoning by antihyperlipidemic and antiarteriosclerotic drugs, undetermined, subsequent encounter
- T46.6X4SPoisoning by antihyperlipidemic and antiarteriosclerotic drugs, undetermined, sequela
- T46.6X5AAdverse effect of antihyperlipidemic and antiarteriosclerotic drugs, initial encounter
- T46.6X5DAdverse effect of antihyperlipidemic and antiarteriosclerotic drugs, subsequent encounter
- T46.6X5SAdverse effect of antihyperlipidemic and antiarteriosclerotic drugs, sequela
- T46.6X6AUnderdosing of antihyperlipidemic and antiarteriosclerotic drugs, initial encounter
- T46.6X6DUnderdosing of antihyperlipidemic and antiarteriosclerotic drugs, subsequent encounter
- T46.6X6SUnderdosing of antihyperlipidemic and antiarteriosclerotic drugs, sequela
- T46.7X1APoisoning by peripheral vasodilators, accidental (unintentional), initial encounter
- T46.7X1DPoisoning by peripheral vasodilators, accidental (unintentional), subsequent encounter
- T46.7X1SPoisoning by peripheral vasodilators, accidental (unintentional), sequela
- T46.7X2APoisoning by peripheral vasodilators, intentional self-harm, initial encounter
- T46.7X2DPoisoning by peripheral vasodilators, intentional self-harm, subsequent encounter
- T46.7X2SPoisoning by peripheral vasodilators, intentional self-harm, sequela
- T46.7X3APoisoning by peripheral vasodilators, assault, initial encounter
- T46.7X3DPoisoning by peripheral vasodilators, assault, subsequent encounter
- T46.7X3SPoisoning by peripheral vasodilators, assault, sequela
- T46.7X4APoisoning by peripheral vasodilators, undetermined, initial encounter
- T46.7X4DPoisoning by peripheral vasodilators, undetermined, subsequent encounter
- T46.7X4SPoisoning by peripheral vasodilators, undetermined, sequela
- T46.7X5AAdverse effect of peripheral vasodilators, initial encounter
- T46.7X5DAdverse effect of peripheral vasodilators, subsequent encounter
- T46.7X5SAdverse effect of peripheral vasodilators, sequela
- T46.7X6AUnderdosing of peripheral vasodilators, initial encounter
- T46.7X6DUnderdosing of peripheral vasodilators, subsequent encounter
- T46.7X6SUnderdosing of peripheral vasodilators, sequela
- T46.8X1APoisoning by antivaricose drugs, including sclerosing agents, accidental (unintentional), initial encounter
- T46.8X1DPoisoning by antivaricose drugs, including sclerosing agents, accidental (unintentional), subsequent encounter
- T46.8X1SPoisoning by antivaricose drugs, including sclerosing agents, accidental (unintentional), sequela
- T46.8X2APoisoning by antivaricose drugs, including sclerosing agents, intentional self-harm, initial encounter
- T46.8X2DPoisoning by antivaricose drugs, including sclerosing agents, intentional self-harm, subsequent encounter
- T46.8X2SPoisoning by antivaricose drugs, including sclerosing agents, intentional self-harm, sequela
- T46.8X3APoisoning by antivaricose drugs, including sclerosing agents, assault, initial encounter
- T46.8X3DPoisoning by antivaricose drugs, including sclerosing agents, assault, subsequent encounter
- T46.8X3SPoisoning by antivaricose drugs, including sclerosing agents, assault, sequela
- T46.8X4APoisoning by antivaricose drugs, including sclerosing agents, undetermined, initial encounter
- T46.8X4DPoisoning by antivaricose drugs, including sclerosing agents, undetermined, subsequent encounter
- T46.8X4SPoisoning by antivaricose drugs, including sclerosing agents, undetermined, sequela
- T46.8X5AAdverse effect of antivaricose drugs, including sclerosing agents, initial encounter
- T46.8X5DAdverse effect of antivaricose drugs, including sclerosing agents, subsequent encounter
- T46.8X5SAdverse effect of antivaricose drugs, including sclerosing agents, sequela
- T46.8X6AUnderdosing of antivaricose drugs, including sclerosing agents, initial encounter
- T46.8X6DUnderdosing of antivaricose drugs, including sclerosing agents, subsequent encounter
- T46.8X6SUnderdosing of antivaricose drugs, including sclerosing agents, sequela
- T46.901APoisoning by unspecified agents primarily affecting the cardiovascular system, accidental (unintentional), initial encounter
- T46.901DPoisoning by unspecified agents primarily affecting the cardiovascular system, accidental (unintentional), subsequent encounter
- T46.901SPoisoning by unspecified agents primarily affecting the cardiovascular system, accidental (unintentional), sequela
- T46.902APoisoning by unspecified agents primarily affecting the cardiovascular system, intentional self-harm, initial encounter
- T46.902DPoisoning by unspecified agents primarily affecting the cardiovascular system, intentional self-harm, subsequent encounter
- T46.902SPoisoning by unspecified agents primarily affecting the cardiovascular system, intentional self-harm, sequela
- T46.903APoisoning by unspecified agents primarily affecting the cardiovascular system, assault, initial encounter
- T46.903DPoisoning by unspecified agents primarily affecting the cardiovascular system, assault, subsequent encounter
- T46.903SPoisoning by unspecified agents primarily affecting the cardiovascular system, assault, sequela
- T46.904APoisoning by unspecified agents primarily affecting the cardiovascular system, undetermined, initial encounter
- T46.904DPoisoning by unspecified agents primarily affecting the cardiovascular system, undetermined, subsequent encounter
- T46.904SPoisoning by unspecified agents primarily affecting the cardiovascular system, undetermined, sequela
- T46.905AAdverse effect of unspecified agents primarily affecting the cardiovascular system, initial encounter
- T46.905DAdverse effect of unspecified agents primarily affecting the cardiovascular system, subsequent encounter
- T46.905SAdverse effect of unspecified agents primarily affecting the cardiovascular system, sequela
- T46.906AUnderdosing of unspecified agents primarily affecting the cardiovascular system, initial encounter
- T46.906DUnderdosing of unspecified agents primarily affecting the cardiovascular system, subsequent encounter
- T46.906SUnderdosing of unspecified agents primarily affecting the cardiovascular system, sequela
- T46.991APoisoning by other agents primarily affecting the cardiovascular system, accidental (unintentional), initial encounter
- T46.991DPoisoning by other agents primarily affecting the cardiovascular system, accidental (unintentional), subsequent encounter
- T46.991SPoisoning by other agents primarily affecting the cardiovascular system, accidental (unintentional), sequela
- T46.992APoisoning by other agents primarily affecting the cardiovascular system, intentional self-harm, initial encounter
- T46.992DPoisoning by other agents primarily affecting the cardiovascular system, intentional self-harm, subsequent encounter
- T46.992SPoisoning by other agents primarily affecting the cardiovascular system, intentional self-harm, sequela
- T46.993APoisoning by other agents primarily affecting the cardiovascular system, assault, initial encounter
- T46.993DPoisoning by other agents primarily affecting the cardiovascular system, assault, subsequent encounter
- T46.993SPoisoning by other agents primarily affecting the cardiovascular system, assault, sequela
- T46.994APoisoning by other agents primarily affecting the cardiovascular system, undetermined, initial encounter
- T46.994DPoisoning by other agents primarily affecting the cardiovascular system, undetermined, subsequent encounter
- T46.994SPoisoning by other agents primarily affecting the cardiovascular system, undetermined, sequela
- T46.995AAdverse effect of other agents primarily affecting the cardiovascular system, initial encounter
- T46.995DAdverse effect of other agents primarily affecting the cardiovascular system, subsequent encounter
- T46.995SAdverse effect of other agents primarily affecting the cardiovascular system, sequela
- T46.996AUnderdosing of other agents primarily affecting the cardiovascular system, initial encounter
- T46.996DUnderdosing of other agents primarily affecting the cardiovascular system, subsequent encounter
- T46.996SUnderdosing of other agents primarily affecting the cardiovascular system, sequela
T46 questions
What does T46 mean?
T46 is the ICD-10-CM code for Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.