Pathology

Test & Collection Guide

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Coagulation Factor Assays II, V, VII, VIII, IX, X, XI, XII

Laboratory:

Coagulation

Specimen types:

Plasma

Container types:

Sodium Citrate

Collection Instructions:

Transport specimen at Room Temperature to lab
Samples found to have clots cannot be tested

Do not use 1.0 mL citrate tubes

Collect 1 X 3.5 ml Sodium Citrate tube is sufficient to run all Factor assay ( Excent Factor XIII which is a refered test).

1 Tube is sufficient for performing these tests.

Minimum Adult Volume:

4 mL

Frequency:

Weekly

Result Turnaround Time:

2 weeks

Reference Interval:

Refer to individual factors as reported

Laboratory Use Only

Storage Instructions:

Specimens kept at room temperature, should be centrifuged ASAP and tested within 4 hours from time of specimen collection. If testing is not completed within 4 hours, plasma should be removed from cells and aliquoted (1mL) into Eppendorf tubes, 2 X 1 mL vials per factor assay.

Plasma may be frozen @ -20 C for up to 2 weeks or -70 C for up to 6 months. Frost free freezers should not be used.