Get started free

T44.8

Non-billable

Poisoning by, adverse effect of and underdosing of centrally-acting and adrenergic-neuron- blocking agents

T44.8 is the ICD-10-CM code for Poisoning by, adverse effect of and underdosing of centrally-acting and adrenergic-neuron- blocking agents. It is a non-billable category code — use a more specific child code such as T44.8X for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T44
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 clonidine (T46.5)
  • •poisoning by, adverse effect of and underdosing of guanethidine (T46.5)

Frequently asked questions

What is ICD-10 code T44.8?
T44.8 is the ICD-10-CM code for "Poisoning by, adverse effect of and underdosing of centrally-acting and adrenergic-neuron- blocking agents". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T44.8 a billable code?
No — T44.8 is a non-billable header code. Use a more specific child code (such as T44.8X) for billing.
What are the subcodes of T44.8?
T44.8 has 1 more specific child code, including T44.8X.

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.

Get started freeSee how Eleplan works →