Factor assays II,V,VII,VIII,IX,X,XI,XII

Test/Investigation

Factor assays II,V,VII,VIII,IX,X,XI,XII

Site(s) or Laboratory offering Test/Investigation

NNUH

Indications

Investigation of haemostasis and prolonged aPTT or PT

Comments/Precautions

Urgent requests must be discussed with duty haematology consultant. Sample should be filled to the mark in the tube. Under or overfilled samples will be rejected. 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)

ASAP, within 4 hour; Max 8 hours

Sample type

Citrate x 3

Turnaround times (TAT) Urgent/Routine/GP or OPD

24 hours for in-patient samples; Otherwise, samples are run in weekly batches.

If UKAS Accredited Test indicate at which site

Yes: NNUH