T46

Classification

Category:Injury, poisoning and certain other consequences of external causes

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Coding Guidance

T46 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail.

Excludes 1

T44.4

poisoning by, adverse effect of and underdosing of metaraminol

P10-P15

birth trauma

O70-O71

obstetric trauma

Use Additional Code

From S00-T88

code to identify any retained foreign body, if applicable

More Specific Codes

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

External Resources

2025 ICD-10 guidelines from CMS.gov