T44.8X6D
✓ BillableUnderdosing of centrally-acting and adrenergic-neuron-blocking agents, subsequent encounter
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • poisoning by, adverse effect of and underdosing of clonidine (T46.5)
- • poisoning by, adverse effect of and underdosing of guanethidine (T46.5)
Clinical Description
ICD-10-CM code T44.8X6D represents underdosing of centrally-acting and adrenergic-neuron-blocking agents, subsequent encounter. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 8-character code at the 7th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code T44.8X6D?
ICD-10-CM code T44.8X6D is "Underdosing of centrally-acting and adrenergic-neuron-blocking agents, subsequent encounter". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).
Is T44.8X6D a billable ICD-10 code?
Yes, T44.8X6D is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Can T44.8X6D be coded with other codes?
T44.8X6D has 2 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in T44.8X6
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)