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T46.4X4

Non-billable

Poisoning by angiotensin-converting-enzyme inhibitors, undetermined

T46.4X4 is the ICD-10-CM code for Poisoning by angiotensin-converting-enzyme inhibitors, undetermined. It is a non-billable category code — use a more specific child code such as T46.4X4A for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T46.4X
Subcodes
3
Edition
FY2026

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

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code T46.4X4?
T46.4X4 is the ICD-10-CM code for "Poisoning by angiotensin-converting-enzyme inhibitors, undetermined". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T46.4X4 a billable code?
No — T46.4X4 is a non-billable header code. Use a more specific child code (such as T46.4X4A) for billing.
What are the subcodes of T46.4X4?
T46.4X4 has 3 more specific child codes, including T46.4X4A, T46.4X4D, T46.4X4S.

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

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