T46.7
Poisoning by, adverse effect of and underdosing of peripheral vasodilators
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 4 never code together
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 4
T46.7code
Inclusion terms
- Poisoning by, adverse effect of and underdosing of nicotinic acid (derivatives)
S00-T88chapter
Notes
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here 2 filed at T46
Alongside this code 9 same parent — T46
T46.0 Cardi-stim glycos/drug simlar act category T46.1 Calcium-channel blockers category T46.2 Antidysrhythmic drugs, not elsewhere classified category T46.3 Coronary vasodilators category T46.4 Angiotensin-converting-enzyme inhibitors category T46.5 Antihypertensive drugs category T46.6 Antihyperlipidemic and antiarteriosclerotic drugs category T46.8 Antivaricose drugs, including sclerosing agents category T46.9 And unsp agents primarily affecting the cardiovascular sys category
Subordinate codes 1
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.