Test/Investigation
Anti Xa/DOAC assay/Heparin monitoring
Site(s) or Laboratory offering Test/Investigation
JPUH, NNUH, QEH
Indications
Assessment of anticoagulation
Comments/Precautions
For therapeutic monitoring of Low molecular weight heparin, unfractionated heparin, and direct oral anticoagulants. Please provide details of anticoagulants, if patient is on any.
Ideal sample age for accurate results/Maximum acceptable sample age (at the time of analysis)
4 hours
Sample type
Citrate (1:9)
Turnaround times (TAT) Urgent/Routine/GP or OPD
3 hours, if sample received in laboratory between 9am and 3pm; otherwise next working day.
Reference intervals (adult unless stated)
Advisory comments, age, sex and analyser specific reference intervals are included on the laboratory report where appropriate. Further advice can be obtained by contacting the laboratory.
If UKAS Accredited Test indicate at which site
Yes: NNUH & QEH