T43.1X4

Non-billable

Poisoning by monoamine-oxidase-inhibitor antidepressants, undetermined

T43.1X4 is the ICD-10-CM code for Poisoning by monoamine-oxidase-inhibitor antidepressants, undetermined. It is a non-billable category code — use a more specific child code such as T43.1X4A for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T43.1X
Subcodes
3
Edition
FY2026

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

What this means — in plain language

MedlinePlus · NIH

What are antidepressants? Antidepressants are prescription medicines to treat depression. Depression is more than feeling a little sad or "blue" for a few days. It's a very common, serious medical illness that affects your mood and general mental health It can make you feel tired, hopeless, worried, or fearful. It can change your thinking, sleeping, and eating. Depression may make some people think about ending…

Read more about Antidepressants at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code T43.1X4?
T43.1X4 is the ICD-10-CM code for "Poisoning by monoamine-oxidase-inhibitor antidepressants, undetermined". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T43.1X4 a billable code?
No — T43.1X4 is a non-billable header code. Use a more specific child code (such as T43.1X4A) for billing.
What are the subcodes of T43.1X4?
T43.1X4 has 3 more specific child codes, including T43.1X4A, T43.1X4D, T43.1X4S.

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

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