All ICD10 Codes

T43.02

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Poisoning by, adverse effect of and underdosing of tetracyclic antidepressants

Use a more specific code (6 billable)
T43.021Poisoning by tetracyclic antidepressants, accidental (unintentional)T43.022Poisoning by tetracyclic antidepressants, intentional self-harmT43.023Poisoning by tetracyclic antidepressants, assaultT43.024Poisoning by tetracyclic antidepressants, undeterminedT43.025Adverse effect of tetracyclic antidepressantsT43.026Underdosing of tetracyclic antidepressants
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).
General instructions are available for the parent sections:
View CH19 NotesView T36-T50 NotesView T43 Notes

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T36-T50Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
T43Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified
T43.0Poisoning by, adverse effect of and underdosing of tricyclic and tetracyclic antidepressants
T43.02Poisoning by, adverse effect of and underdosing of tetracyclic antidepressantsNot billable
T43.021Poisoning by tetracyclic antidepressants, accidental (unintentional)Billable
T43.022Poisoning by tetracyclic antidepressants, intentional self-harmBillable
T43.023Poisoning by tetracyclic antidepressants, assaultBillable
T43.024Poisoning by tetracyclic antidepressants, undeterminedBillable
T43.025Adverse effect of tetracyclic antidepressantsBillable
T43.026Underdosing of tetracyclic antidepressantsBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T43.02:

categoryT43
Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified
View context instructions
blockT36-T50
Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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