Test Code FT11 Factor XI Activity, Plasma

Specimen Volume

3.0 mL

Blue (BLU) Citrate

Tube must be full. Specimen must arrive in lab within 4 hours of collection, OR Centrifuge, place plasma in plastic vial and freeze.

Routine courier pick-up

None

Hematology

Photo-optical clot detection

4 Hours

1 Week

See Report