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Lab Dept:
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Coagulation
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Test Name:
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FIBRINOGEN
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General Information
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Lab Order Codes:
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FIB
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Synonyms:
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Clauss Fibrinogen; Plasma Fibrinogen
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CPT Codes:
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85384 – Fibrinogen; activity
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Test Includes:
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N/A
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Logistics
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Test Indications:
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Used for identifying congenital afibrinogenemia, dysfibrinogenemia, disseminated intravascular coagulation (DIC), fibrinolytic activity and severe liver disease.
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Lab Testing Sections:
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Coagulation
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Phone Numbers:
Minneapolis:
Saint Paul:
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612-813-6280
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651-220-6550
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Test Availability:
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Daily, 24 hours
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Turnaround Time:
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2 hours
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Special Instructions:
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Deliver immediately to the laboratory. Refrigerate specimen if there is a delay in transport of 30 minutes or more.
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Specimen
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Specimen Type:
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Whole blood
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Container:
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Light Blue top tube (Buffered Na Citrate 3.2%)
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Draw Volume:
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1.8 mL or 2.7 mL blood
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Processed Volume:
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0.9 mL (Minimum: 0.5 mL) plasma
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Collection:
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A clean venipuncture is essential.
Patient’s with hematocrit levels >55% must have a special tube made to adjust for the hematocrit; contact laboratory for special tube.
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Special Processing:
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Centrifuge immediately upon arrival in laboratory. Freeze (-70ºC) if testing is delayed for more than 4 hours.
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Patient Preparation:
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None
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Sample Rejection:
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The following specimens will be rejected:
Improper tube, Clotted samples, Overfilled tubes, Underfilled tubes
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Interpretive
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Reference Range:
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200 – 400 mg/dL
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Critical Values:
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<80 mg/dL
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Limitations:
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N/A
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Methodology:
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Clauss
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References:
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Harmening DH (1997) Clinical Hematology and Fundamentals of Hemostasis
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Updates:
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2/17/2005: Critical value previously listed as <100 mg/dL.
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