T46 Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system

Category / Non-billable header 87 subcodes

Block: Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances (T36-T50)

Excludes 1 (cannot be coded together)

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

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
T46..0 Poisoning by, adverse effect of and underdosing of cardiac-stimulant glycosides and drugs of similar action No
T46..0X Poisoning by, adverse effect of and underdosing of cardiac-stimulant glycosides and drugs of similar action No
T46..0X1 Poisoning by cardiac-stimulant glycosides and drugs of similar action, accidental (unintentional) No
T46..0X2 Poisoning by cardiac-stimulant glycosides and drugs of similar action, intentional self-harm No
T46..0X3 Poisoning by cardiac-stimulant glycosides and drugs of similar action, assault No
T46..0X4 Poisoning by cardiac-stimulant glycosides and drugs of similar action, undetermined No
T46..0X5 Adverse effect of cardiac-stimulant glycosides and drugs of similar action No
T46..0X6 Underdosing of cardiac-stimulant glycosides and drugs of similar action No
T46..1 Poisoning by, adverse effect of and underdosing of calcium-channel blockers No
T46..1X Poisoning by, adverse effect of and underdosing of calcium-channel blockers No
T46..1X1 Poisoning by calcium-channel blockers, accidental (unintentional) No
T46..1X2 Poisoning by calcium-channel blockers, intentional self-harm No
T46..1X3 Poisoning by calcium-channel blockers, assault No
T46..1X4 Poisoning by calcium-channel blockers, undetermined No
T46..1X5 Adverse effect of calcium-channel blockers No
T46..1X6 Underdosing of calcium-channel blockers No
T46..2 Poisoning by, adverse effect of and underdosing of other antidysrhythmic drugs, not elsewhere classified No
T46..2X Poisoning by, adverse effect of and underdosing of other antidysrhythmic drugs No
T46..2X1 Poisoning by other antidysrhythmic drugs, accidental (unintentional) No
T46..2X2 Poisoning by other antidysrhythmic drugs, intentional self-harm No
T46..2X3 Poisoning by other antidysrhythmic drugs, assault No
T46..2X4 Poisoning by other antidysrhythmic drugs, undetermined No
T46..2X5 Adverse effect of other antidysrhythmic drugs No
T46..2X6 Underdosing of other antidysrhythmic drugs No
T46..3 Poisoning by, adverse effect of and underdosing of coronary vasodilators No
T46..3X Poisoning by, adverse effect of and underdosing of coronary vasodilators No
T46..3X1 Poisoning by coronary vasodilators, accidental (unintentional) No
T46..3X2 Poisoning by coronary vasodilators, intentional self-harm No
T46..3X3 Poisoning by coronary vasodilators, assault No
T46..3X4 Poisoning by coronary vasodilators, undetermined No
T46..3X5 Adverse effect of coronary vasodilators No
T46..3X6 Underdosing of coronary vasodilators No
T46..4 Poisoning by, adverse effect of and underdosing of angiotensin-converting-enzyme inhibitors No
T46..4X Poisoning by, adverse effect of and underdosing of angiotensin-converting-enzyme inhibitors No
T46..4X1 Poisoning by angiotensin-converting-enzyme inhibitors, accidental (unintentional) No
T46..4X2 Poisoning by angiotensin-converting-enzyme inhibitors, intentional self-harm No
T46..4X3 Poisoning by angiotensin-converting-enzyme inhibitors, assault No
T46..4X4 Poisoning by angiotensin-converting-enzyme inhibitors, undetermined No
T46..4X5 Adverse effect of angiotensin-converting-enzyme inhibitors No
T46..4X6 Underdosing of angiotensin-converting-enzyme inhibitors No
T46..5 Poisoning by, adverse effect of and underdosing of other antihypertensive drugs No
T46..5X Poisoning by, adverse effect of and underdosing of other antihypertensive drugs No
T46..5X1 Poisoning by other antihypertensive drugs, accidental (unintentional) No
T46..5X2 Poisoning by other antihypertensive drugs, intentional self-harm No
T46..5X3 Poisoning by other antihypertensive drugs, assault No
T46..5X4 Poisoning by other antihypertensive drugs, undetermined No
T46..5X5 Adverse effect of other antihypertensive drugs No
T46..5X6 Underdosing of other antihypertensive drugs No
T46..6 Poisoning by, adverse effect of and underdosing of antihyperlipidemic and antiarteriosclerotic drugs No
T46..6X Poisoning by, adverse effect of and underdosing of antihyperlipidemic and antiarteriosclerotic drugs No
T46..6X1 Poisoning by antihyperlipidemic and antiarteriosclerotic drugs, accidental (unintentional) No
T46..6X2 Poisoning by antihyperlipidemic and antiarteriosclerotic drugs, intentional self-harm No
T46..6X3 Poisoning by antihyperlipidemic and antiarteriosclerotic drugs, assault No
T46..6X4 Poisoning by antihyperlipidemic and antiarteriosclerotic drugs, undetermined No
T46..6X5 Adverse effect of antihyperlipidemic and antiarteriosclerotic drugs No
T46..6X6 Underdosing of antihyperlipidemic and antiarteriosclerotic drugs No
T46..7 Poisoning by, adverse effect of and underdosing of peripheral vasodilators No
T46..7X Poisoning by, adverse effect of and underdosing of peripheral vasodilators No
T46..7X1 Poisoning by peripheral vasodilators, accidental (unintentional) No
T46..7X2 Poisoning by peripheral vasodilators, intentional self-harm No
T46..7X3 Poisoning by peripheral vasodilators, assault No
T46..7X4 Poisoning by peripheral vasodilators, undetermined No
T46..7X5 Adverse effect of peripheral vasodilators No
T46..7X6 Underdosing of peripheral vasodilators No
T46..8 Poisoning by, adverse effect of and underdosing of antivaricose drugs, including sclerosing agents No
T46..8X Poisoning by, adverse effect of and underdosing of antivaricose drugs, including sclerosing agents No
T46..8X1 Poisoning by antivaricose drugs, including sclerosing agents, accidental (unintentional) No
T46..8X2 Poisoning by antivaricose drugs, including sclerosing agents, intentional self-harm No
T46..8X3 Poisoning by antivaricose drugs, including sclerosing agents, assault No
T46..8X4 Poisoning by antivaricose drugs, including sclerosing agents, undetermined No
T46..8X5 Adverse effect of antivaricose drugs, including sclerosing agents No
T46..8X6 Underdosing of antivaricose drugs, including sclerosing agents No
T46..9 Poisoning by, adverse effect of and underdosing of other and unspecified agents primarily affecting the cardiovascular system No
T46..90 Poisoning by, adverse effect of and underdosing of unspecified agents primarily affecting the cardiovascular system No
T46..901 Poisoning by unspecified agents primarily affecting the cardiovascular system, accidental (unintentional) No
T46..902 Poisoning by unspecified agents primarily affecting the cardiovascular system, intentional self-harm No
T46..903 Poisoning by unspecified agents primarily affecting the cardiovascular system, assault No
T46..904 Poisoning by unspecified agents primarily affecting the cardiovascular system, undetermined No
T46..905 Adverse effect of unspecified agents primarily affecting the cardiovascular system No
T46..906 Underdosing of unspecified agents primarily affecting the cardiovascular system No
T46..99 Poisoning by, adverse effect of and underdosing of other agents primarily affecting the cardiovascular system No
T46..991 Poisoning by other agents primarily affecting the cardiovascular system, accidental (unintentional) No
T46..992 Poisoning by other agents primarily affecting the cardiovascular system, intentional self-harm No
T46..993 Poisoning by other agents primarily affecting the cardiovascular system, assault No
T46..994 Poisoning by other agents primarily affecting the cardiovascular system, undetermined No
T46..995 Adverse effect of other agents primarily affecting the cardiovascular system No
T46..996 Underdosing of other agents primarily affecting the cardiovascular system No

Last reviewed: September 2026