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ICD-10-CM · FY 2026 APRIL UPDATE

T49.1

Poisoning by, adverse effect of and underdosing of antipruritics

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
T49.1XPoisoning by, adverse effect of and underdosing of antipruriticsCategory
T49.1X1Poisoning by antipruritics, accidental (unintentional)Category
T49.1X1APoisoning by antipruritics, accidental (unintentional), initial encounterBillable
T49.1X1DPoisoning by antipruritics, accidental (unintentional), subsequent encounterBillable
T49.1X1SPoisoning by antipruritics, accidental (unintentional), sequelaBillable
T49.1X2Poisoning by antipruritics, intentional self-harmCategory
T49.1X2APoisoning by antipruritics, intentional self-harm, initial encounterBillable
T49.1X2DPoisoning by antipruritics, intentional self-harm, subsequent encounterBillable
T49.1X2SPoisoning by antipruritics, intentional self-harm, sequelaBillable
T49.1X3Poisoning by antipruritics, assaultCategory
T49.1X3APoisoning by antipruritics, assault, initial encounterBillable
T49.1X3DPoisoning by antipruritics, assault, subsequent encounterBillable
T49.1X3SPoisoning by antipruritics, assault, sequelaBillable
T49.1X4Poisoning by antipruritics, undeterminedCategory
T49.1X4APoisoning by antipruritics, undetermined, initial encounterBillable
T49.1X4DPoisoning by antipruritics, undetermined, subsequent encounterBillable
T49.1X4SPoisoning by antipruritics, undetermined, sequelaBillable
T49.1X5Adverse effect of antipruriticsCategory
T49.1X5AAdverse effect of antipruritics, initial encounterBillable
T49.1X5DAdverse effect of antipruritics, subsequent encounterBillable
T49.1X5SAdverse effect of antipruritics, sequelaBillable
T49.1X6Underdosing of antipruriticsCategory
T49.1X6AUnderdosing of antipruritics, initial encounterBillable
T49.1X6DUnderdosing of antipruritics, subsequent encounterBillable
T49.1X6SUnderdosing of antipruritics, 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.