Specimen:

Citrated Whole Blood

Collection Medium:

Minimum:

Collect TWO full tubes - 2.7 mL citrated (light blue top) tube

Testing
Schedule:

0800-1630 Monday through Friday.

Analytic Time:

24-36 hours

Methodology:

A prolonged PTT is investigated to determine the presence of a Lupus 
Anticoagulant.

Sample
Processing:

Centrifuge at 3500 RPM for 10 minutes.
Aliquot plasma into labeled container and cap.
Centrifuge a second time at 3500 RPM for 10 minutes and aliquot into a 
new, labeled plastic tube.

Sample
Storage:

Freeze specimen immediately.

Transport
Instructions:

Place requisition into outside pocket of bag.
Place specimen into zip-lock type bag, seal bag.
Place dry ice on top of specimen in styrofoam container.
Dry Ice up to 24 hours.

See also:
Cardiolipin Antibody, IgG and IgM, Serum
Cardiolipin Antibody, IgG, Serum
Cardiolipin Antibody, IgM, Serum

See Additional Information:
Antiphospholipid Syndrome (APS): Laboratory Evaluation
Phlebotomy Tubes and Order of Draw