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T46.5

Non-billable

Poisoning by, adverse effect of and underdosing of other antihypertensive drugs

T46.5 is the ICD-10-CM code for Poisoning by, adverse effect of and underdosing of other antihypertensive drugs. It is a non-billable category code — use a more specific child code such as T46.5X for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T46
Subcodes
1
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

Excludes2 — not included here

  • •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)

Frequently asked questions

What is ICD-10 code T46.5?
T46.5 is the ICD-10-CM code for "Poisoning by, adverse effect of and underdosing of other antihypertensive drugs". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T46.5 a billable code?
No — T46.5 is a non-billable header code. Use a more specific child code (such as T46.5X) for billing.
What are the subcodes of T46.5?
T46.5 has 1 more specific child code, including T46.5X.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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