ICD-10-CM > S00-T88 > T36-T50 > T45 > T45.5 > T45.52 > T45.524 T45.524 Poisoning by antithrombotic drugs, undetermined Non-Billable/Non-Specific Codes T45.524A..., initial encounterT45.524D..., subsequent encounterT45.524S..., sequela