T45.521

Billable
ChapterS00–T88
Ranksubcategory
Official Description

Poisoning by antithrombotic drugs, accidental (unintentional)

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

Instructional Notes

Includes
  • Poisoning by antithrombotic drug NOS
General instructions are available for the parent sections:

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)
T45Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classified
T45.5Poisoning by, adverse effect of and underdosing of anticoagulants and antithrombotic drugs
T45.52Poisoning by, adverse effect of and underdosing of antithrombotic drugs
T45.521Poisoning by antithrombotic drugs, accidental (unintentional)Billable
T45.521APoisoning by antithrombotic drugs, accidental (unintentional), initial encounterBillable
T45.521DPoisoning by antithrombotic drugs, accidental (unintentional), subsequent encounterBillable
T45.521SPoisoning by antithrombotic drugs, accidental (unintentional), sequelaBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T45.521:

subcategoryT45.52
Poisoning by, adverse effect of and underdosing of antithrombotic drugs
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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