T44.9

Non-billable

Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous system

T44.9 is the ICD-10-CM code for Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous system. It is a non-billable category code — use a more specific child code such as T44.90 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T44
Subcodes
2
Edition
FY2026

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

Includes

  • Poisoning by, adverse effect of and underdosing of drug stimulating both alpha and beta-adrenoreceptors

Frequently asked questions

What is ICD-10 code T44.9?
T44.9 is the ICD-10-CM code for "Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous system". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T44.9 a billable code?
No — T44.9 is a non-billable header code. Use a more specific child code (such as T44.90) for billing.
What are the subcodes of T44.9?
T44.9 has 2 more specific child codes, including T44.90, T44.99.

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

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.