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ICD-10-CM · FY 2026 APRIL UPDATE

T43.29

Poisoning by, adverse effect of and underdosing of other antidepressants

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
T43.291Poisoning by other antidepressants, accidental (unintentional)Category
T43.291APoisoning by other antidepressants, accidental (unintentional), initial encounterBillable
T43.291DPoisoning by other antidepressants, accidental (unintentional), subsequent encounterBillable
T43.291SPoisoning by other antidepressants, accidental (unintentional), sequelaBillable
T43.292Poisoning by other antidepressants, intentional self-harmCategory
T43.292APoisoning by other antidepressants, intentional self-harm, initial encounterBillable
T43.292DPoisoning by other antidepressants, intentional self-harm, subsequent encounterBillable
T43.292SPoisoning by other antidepressants, intentional self-harm, sequelaBillable
T43.293Poisoning by other antidepressants, assaultCategory
T43.293APoisoning by other antidepressants, assault, initial encounterBillable
T43.293DPoisoning by other antidepressants, assault, subsequent encounterBillable
T43.293SPoisoning by other antidepressants, assault, sequelaBillable
T43.294Poisoning by other antidepressants, undeterminedCategory
T43.294APoisoning by other antidepressants, undetermined, initial encounterBillable
T43.294DPoisoning by other antidepressants, undetermined, subsequent encounterBillable
T43.294SPoisoning by other antidepressants, undetermined, sequelaBillable
T43.295Adverse effect of other antidepressantsCategory
T43.295AAdverse effect of other antidepressants, initial encounterBillable
T43.295DAdverse effect of other antidepressants, subsequent encounterBillable
T43.295SAdverse effect of other antidepressants, sequelaBillable
T43.296Underdosing of other antidepressantsCategory
T43.296AUnderdosing of other antidepressants, initial encounterBillable
T43.296DUnderdosing of other antidepressants, subsequent encounterBillable
T43.296SUnderdosing of other antidepressants, 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.