10ICD Code Hub

T46.90

Header — not billable

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

The ICD-10 code for poisoning by, adverse effect of and underdosing of unspecified agents primarily affecting the cardiovascular system is T46.90.

T46.90 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 more specific codes below.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under T46.90

Related codes in this category