Protein C -Functional, Protein S Antigen -Free, Antithrombin Activity Functional, Prothrombin Gene Mutation, MTHFR Gene Mutation, Factor V Leiden Mutation
Technique: Chromogenic, Immunoturbidimetry, PCR
Sample Collection Instruction:
3 mL Whole blood in 1 Blue Top (Sodium Citrate) tube. Mix
thoroughly by inversion. Transport to Lab within 4 hours. If this is not
possible, make PPP within 1 hour of collection as follows: Centrifuge sample at
3600 rpm for 15 min. & transfer supernatant to a clean plastic tube.
Centrifuge this supernatant again at 3600 rpm for 15 min. & finally
transfer the supernatant (PPP) to 1 labelled clean plastic screw capped vial.
FREEZE IMMEDIATELY. Ship frozen. DO NOT THAW AND 5 mL (3 mL min.) Whole blood
in 2 Lavender Top (EDTA) tubes. Ship refrigerated. DO NOT FREEZE.
Reported on: 5-7 days
Precaution
Overnight
fasting is preferred. It is recommended that patient discontinues Heparin for 1 day and
Oral Anticoagulants for 7 days prior to sampling as these drugs may affect test
results. Discontinuation should be with prior consent from the treating Physician.
