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ICD-10-CM · FY 2026 APRIL UPDATE

T44.6X

Poisoning by, adverse effect of and underdosing of alpha-adrenoreceptor antagonists

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
T44.6X1Poisoning by alpha-adrenoreceptor antagonists, accidental (unintentional)Category
T44.6X1APoisoning by alpha-adrenoreceptor antagonists, accidental (unintentional), initial encounterBillable
T44.6X1DPoisoning by alpha-adrenoreceptor antagonists, accidental (unintentional), subsequent encounterBillable
T44.6X1SPoisoning by alpha-adrenoreceptor antagonists, accidental (unintentional), sequelaBillable
T44.6X2Poisoning by alpha-adrenoreceptor antagonists, intentional self-harmCategory
T44.6X2APoisoning by alpha-adrenoreceptor antagonists, intentional self-harm, initial encounterBillable
T44.6X2DPoisoning by alpha-adrenoreceptor antagonists, intentional self-harm, subsequent encounterBillable
T44.6X2SPoisoning by alpha-adrenoreceptor antagonists, intentional self-harm, sequelaBillable
T44.6X3Poisoning by alpha-adrenoreceptor antagonists, assaultCategory
T44.6X3APoisoning by alpha-adrenoreceptor antagonists, assault, initial encounterBillable
T44.6X3DPoisoning by alpha-adrenoreceptor antagonists, assault, subsequent encounterBillable
T44.6X3SPoisoning by alpha-adrenoreceptor antagonists, assault, sequelaBillable
T44.6X4Poisoning by alpha-adrenoreceptor antagonists, undeterminedCategory
T44.6X4APoisoning by alpha-adrenoreceptor antagonists, undetermined, initial encounterBillable
T44.6X4DPoisoning by alpha-adrenoreceptor antagonists, undetermined, subsequent encounterBillable
T44.6X4SPoisoning by alpha-adrenoreceptor antagonists, undetermined, sequelaBillable
T44.6X5Adverse effect of alpha-adrenoreceptor antagonistsCategory
T44.6X5AAdverse effect of alpha-adrenoreceptor antagonists, initial encounterBillable
T44.6X5DAdverse effect of alpha-adrenoreceptor antagonists, subsequent encounterBillable
T44.6X5SAdverse effect of alpha-adrenoreceptor antagonists, sequelaBillable
T44.6X6Underdosing of alpha-adrenoreceptor antagonistsCategory
T44.6X6AUnderdosing of alpha-adrenoreceptor antagonists, initial encounterBillable
T44.6X6DUnderdosing of alpha-adrenoreceptor antagonists, subsequent encounterBillable
T44.6X6SUnderdosing of alpha-adrenoreceptor antagonists, 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.