T46.9
Header — not billablePoisoning by, adverse effect of and underdosing of other and unspecified agents primarily affecting the cardiovascular system
The ICD-10 code for poisoning by, adverse effect of and underdosing of other and unspecified agents primarily affecting the cardiovascular system is T46.9.
T46.9 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- T46.0Poisoning by, adverse effect of and underdosing of cardiac-stimulant glycosides and drugs of similar actionnon-billable header
- T46.1Poisoning by, adverse effect of and underdosing of calcium-channel blockersnon-billable header
- T46.2Poisoning by, adverse effect of and underdosing of other antidysrhythmic drugs, not elsewhere classifiednon-billable header
- T46.3Poisoning by, adverse effect of and underdosing of coronary vasodilatorsnon-billable header
- T46.4Poisoning by, adverse effect of and underdosing of angiotensin-converting-enzyme inhibitorsnon-billable header
- T46.5Poisoning by, adverse effect of and underdosing of other antihypertensive drugsnon-billable header
- T46.6Poisoning by, adverse effect of and underdosing of antihyperlipidemic and antiarteriosclerotic drugsnon-billable header
- T46.7Poisoning by, adverse effect of and underdosing of peripheral vasodilatorsnon-billable header
- T46.8Poisoning by, adverse effect of and underdosing of antivaricose drugs, including sclerosing agentsnon-billable header
- T46.9Poisoning by, adverse effect of and underdosing of other and unspecified agents primarily affecting the cardiovascular systemnon-billable header