Specimen:

Plasma

Collection Medium:

Minimum:

Full draw; any size blue top

Testing
Schedule:

0800-1630 Monday through Friday.

Reference Range:

41-152%

Comments:

This test needs a separate tube!  It CANNOT be done with any other 
coagulation tests.

Methodology:

Latex agglutination, absorption spectrophotometry

Sample
Processing:

Centrifuge within two hours of draw time.
Aliquot serum/plasma into plastic container and cap (glass is not 
acceptable).
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 specimen into zip-lock type bag, seal bag.
Place requisition into outside pocket of bag.
Place dry ice on top of specimen in styrofoam container.

CPT Code:

85246

See Additional Information:
Phlebotomy Tubes and Order of Draw