Rivaroxaban is a new generation oral anticoagulant designed to replace warfarin therapy. The anti-factor Xa assay is used to monitor Rivaroxaban.
Tube
05 (CP) – Citrate
ID
12727
Availability
Weekdays
Additional Information
Rivaroxaban therapy does not usually require monitoring. Some patients however, may require levels to be monitored.
Send to
Specialist Coagulation
Centre for Laboratory Medicine
St James University Hospital
Beckett Street
Leeds
LS9 7TF
Contact
Advice
Collection Con
1 x Citrate tube filled to the line.
Samples must be processed within 6 hours of being taken.
Sample REQ
Blood.
Ref. Range Notes
Critical action limit >550ng/mL
Units
ng/mL
IP Acute TAT
4 hours from receipt.
IP Routine TAT
24 hours.
GP Acute TAT
Contact laboratory
GP Routine TAT
24 hours