Direct Oral Anticoagulant Assay Detection & Classification Study for the TEG 6S System

Inclusion criteria

• ≥ 18 years old
• DOAC administered for a minimum of 7 days

Exclusion criteria

• Genetic Bleeding disorders. Known or subsequently discovered inherited defects of coagulation (e.g. hemophilia or Von Willebrand disease)
• Not known when last two DOAC doses were administered prior to blood draw
• DOAC first administered (or resumed after temporary cessation) less than 7 days prior to blood draw
• DOAC dosage outside of manufacturer's recommended range (e.g. study subject with renal impairment and supratherapeutic dose)
• Heparin or LMWH administered within 7 days prior to blood draw
• On any medications known to affect coagulation status and listed below
• Bruising, wounds or scarring in the area of venipuncture

List of medications known to affect coagulation status

• Vitamin K Antagonists [VKAs] Warfarin Phenprocoumon Acenocoumarol Tecarfarin [ATI-5923] Phenindione Anisindione Elinogrel Vorapaxar Atopaxar
• Heparin and Heparins Unfractionated Heparin [UFH] LMWH Fondaparinux Idraparinux Danaparoid
• Vasopressin Analogues DDAVP
• Direct Thrombin [IIa] Inhibitors Hirudin Lepirudin Bivalirudin Argatroban
• Defibrinating Agents Ancrod