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ICD-10-CM · FY 2026 APRIL UPDATE

T44.4

Poisoning by, adverse effect of and underdosing of predominantly alpha-adrenoreceptor agonists

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
T44.4XPoisoning by, adverse effect of and underdosing of predominantly alpha-adrenoreceptor agonistsCategory
T44.4X1Poisoning by predominantly alpha-adrenoreceptor agonists, accidental (unintentional)Category
T44.4X1APoisoning by predominantly alpha-adrenoreceptor agonists, accidental (unintentional), initial encounterBillable
T44.4X1DPoisoning by predominantly alpha-adrenoreceptor agonists, accidental (unintentional), subsequent encounterBillable
T44.4X1SPoisoning by predominantly alpha-adrenoreceptor agonists, accidental (unintentional), sequelaBillable
T44.4X2Poisoning by predominantly alpha-adrenoreceptor agonists, intentional self-harmCategory
T44.4X2APoisoning by predominantly alpha-adrenoreceptor agonists, intentional self-harm, initial encounterBillable
T44.4X2DPoisoning by predominantly alpha-adrenoreceptor agonists, intentional self-harm, subsequent encounterBillable
T44.4X2SPoisoning by predominantly alpha-adrenoreceptor agonists, intentional self-harm, sequelaBillable
T44.4X3Poisoning by predominantly alpha-adrenoreceptor agonists, assaultCategory
T44.4X3APoisoning by predominantly alpha-adrenoreceptor agonists, assault, initial encounterBillable
T44.4X3DPoisoning by predominantly alpha-adrenoreceptor agonists, assault, subsequent encounterBillable
T44.4X3SPoisoning by predominantly alpha-adrenoreceptor agonists, assault, sequelaBillable
T44.4X4Poisoning by predominantly alpha-adrenoreceptor agonists, undeterminedCategory
T44.4X4APoisoning by predominantly alpha-adrenoreceptor agonists, undetermined, initial encounterBillable
T44.4X4DPoisoning by predominantly alpha-adrenoreceptor agonists, undetermined, subsequent encounterBillable
T44.4X4SPoisoning by predominantly alpha-adrenoreceptor agonists, undetermined, sequelaBillable
T44.4X5Adverse effect of predominantly alpha-adrenoreceptor agonistsCategory
T44.4X5AAdverse effect of predominantly alpha-adrenoreceptor agonists, initial encounterBillable
T44.4X5DAdverse effect of predominantly alpha-adrenoreceptor agonists, subsequent encounterBillable
T44.4X5SAdverse effect of predominantly alpha-adrenoreceptor agonists, sequelaBillable
T44.4X6Underdosing of predominantly alpha-adrenoreceptor agonistsCategory
T44.4X6AUnderdosing of predominantly alpha-adrenoreceptor agonists, initial encounterBillable
T44.4X6DUnderdosing of predominantly alpha-adrenoreceptor agonists, subsequent encounterBillable
T44.4X6SUnderdosing of predominantly alpha-adrenoreceptor agonists, sequelaBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.