
Apixaban is a direct oral anticoagulant (DOAC), designed to replace warfarin therapy. The anti-Fxa assay is used to monitor Apixaban.
Tube
05 (CP) – Citrate
ID
12735
Availability
Weekdays
Additional information
Apixaban therapy does not usually require monitoring however some patients may require levels to be checked.
Send to
Specialist Coagulation
Centre for Laboratory Medicine
St James University Hospital
Beckett Street
Leeds
LS9 7TF
Contact
Collection Con
1 x citrate sample filled to line please.
Samples must be processed within 6 hours of being taken.
Sample REQ
Blood
Ref. Range Notes
Critical telephone values: Apixaban anti-Xa greater than 400ng/mL
Interpretation is against a therapeutic range dependent on clinical information.
Units
ng/mL
IP Acute TAT
4 hours from receipt
IP Routine TAT
24 hours
GP Acute TAT
Contact laboratory
GP Routine TAT
7 days