T45.52
T45.52: Poisoning by, adverse effect of and underdosing of antithrombotic drugs
Non-billable headerICD-10-CM
T45.52 is a non-billable header ICD-10-CM code for poisoning by, adverse effect of and underdosing of antithrombotic drugs. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category T45
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Poisoning by, adverse effect of and underdosing of antiplatelet drugs
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead T45.52
6 child codes. Green means billable.
- T45.521Poisoning by antithrombotic drugs, accidental (unintentional)
- T45.522Poisoning by antithrombotic drugs, intentional self-harm
- T45.523Poisoning by antithrombotic drugs, assault
- T45.524Poisoning by antithrombotic drugs, undetermined
- T45.525Adverse effect of antithrombotic drugs
- T45.526Underdosing of antithrombotic drugs