Lupus anticoagulant

Test/Investigation

Lupus anticoagulant

Site(s) or Laboratory offering Test/Investigation

NNUH

Indications

Investigation of persistently prolonged APTT or Thrombophilia risk

Comments/Precautions

Urgent requests should be discussed with duty haematology consultant/registrar 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)

4 hours; Max 8 hours

Sample type

Citrate x2

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

2 weeks Please ring haematology laboratory if urgent results required

If UKAS Accredited Test indicate at which site

Yes: NNUH