T43.3X6

Non-billable

Underdosing of phenothiazine antipsychotics and neuroleptics

T43.3X6 is the ICD-10-CM code for Underdosing of phenothiazine antipsychotics and neuroleptics. It is a non-billable category code — use a more specific child code such as T43.3X6A for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T43.3X
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 T43.3X6?
T43.3X6 is the ICD-10-CM code for "Underdosing of phenothiazine antipsychotics and neuroleptics". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T43.3X6 a billable code?
No — T43.3X6 is a non-billable header code. Use a more specific child code (such as T43.3X6A) for billing.
What are the subcodes of T43.3X6?
T43.3X6 has 3 more specific child codes, including T43.3X6A, T43.3X6D, T43.3X6S.

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

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