T46.5
ICD-10Non-billable categoryAntihypertensive drugs
Official ICD-10-CM descriptor (FY2026)
Poisoning by, adverse effect of and underdosing of other antihypertensive drugs
T46.5 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- poisoning by, adverse effect of and underdosing of beta-adrenoreceptor antagonists (T44.7)
- poisoning by, adverse effect of and underdosing of calcium-channel blockers (T46.1)
- poisoning by, adverse effect of and underdosing of diuretics (T50.0-T50.2)
ICD-10-CM FY2026 defines 1 code beneath T46.5. See the ICD-10-CM index for what this site publishes.
Related codes in T46
- T46.0Cardi-stim glycos/drug simlar actcategory
- T46.1Calcium-channel blockerscategory
- T46.2Antidysrhythmic drugs, not elsewhere classifiedcategory
- T46.3Coronary vasodilatorscategory
- T46.4Angiotensin-converting-enzyme inhibitorscategory
- T46.6Antihyperlipidemic and antiarteriosclerotic drugscategory
- T46.7Peripheral vasodilatorscategory
- T46.8Antivaricose drugs, including sclerosing agentscategory
- T46.9And unsp agents primarily affecting the cardiovascular syscategory
Where this code sits
- Parent code
- T46
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.