Specimen Requirements

Title

CRYOFIBRINOGEN

Specimen Requirement

1 Light Blue Top/1.0 mL plasma.Place light blue top in warm water immediately after draw until specimen is centrifuged. After centrifugation, remove plasma and place in a plastic transport tube. *Make certain to label the transfer tube “Plasma from Light Blue Top” in addition to the patient’s demographics.

Methodology

Stability

Keep warm until separated. After separating specimen is stable for 7 days refrigerated.

Reference Range

By report*

Turnaround

7-10 days

Clinical Use

Detect cold precipitable fibrinogen. Cryofibrinogen has been reported in association with coagulation disorders, malignancies, phlebitis of pregnancy, inflammatory processes including neonatal infections, the use of oral contraceptives, and with scleroderma.

Test Code

CRYFI