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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 CitrateSodium 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

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.