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ICD-10-CM · FY 2026 APRIL UPDATE

T48.4X

Poisoning by, adverse effect of and underdosing of expectorants

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
T48.4X1Poisoning by expectorants, accidental (unintentional)Category
T48.4X1APoisoning by expectorants, accidental (unintentional), initial encounterBillable
T48.4X1DPoisoning by expectorants, accidental (unintentional), subsequent encounterBillable
T48.4X1SPoisoning by expectorants, accidental (unintentional), sequelaBillable
T48.4X2Poisoning by expectorants, intentional self-harmCategory
T48.4X2APoisoning by expectorants, intentional self-harm, initial encounterBillable
T48.4X2DPoisoning by expectorants, intentional self-harm, subsequent encounterBillable
T48.4X2SPoisoning by expectorants, intentional self-harm, sequelaBillable
T48.4X3Poisoning by expectorants, assaultCategory
T48.4X3APoisoning by expectorants, assault, initial encounterBillable
T48.4X3DPoisoning by expectorants, assault, subsequent encounterBillable
T48.4X3SPoisoning by expectorants, assault, sequelaBillable
T48.4X4Poisoning by expectorants, undeterminedCategory
T48.4X4APoisoning by expectorants, undetermined, initial encounterBillable
T48.4X4DPoisoning by expectorants, undetermined, subsequent encounterBillable
T48.4X4SPoisoning by expectorants, undetermined, sequelaBillable
T48.4X5Adverse effect of expectorantsCategory
T48.4X5AAdverse effect of expectorants, initial encounterBillable
T48.4X5DAdverse effect of expectorants, subsequent encounterBillable
T48.4X5SAdverse effect of expectorants, sequelaBillable
T48.4X6Underdosing of expectorantsCategory
T48.4X6AUnderdosing of expectorants, initial encounterBillable
T48.4X6DUnderdosing of expectorants, subsequent encounterBillable
T48.4X6SUnderdosing of expectorants, 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.