T46.3
Header — not billablePoisoning by, adverse effect of and underdosing of coronary vasodilators
The ICD-10 code for poisoning by, adverse effect of and underdosing of coronary vasodilators is T46.3.
T46.3 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 1 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- poisoning by, adverse effect of and underdosing of
- calcium-channel blockers (T46.1)
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Poisoning by, adverse effect of and underdosing of dipyridamole
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.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •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
- T46.4Poisoning 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
- T46.3Poisoning by, adverse effect of and underdosing of coronary vasodilatorsnon-billable header