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HelpTest Code FIB FIBRINOGEN
Methodology
Fibrin Formation Using Mechanical Clot Detection
Useful for detecting increased or decreased fibrinogen (factor I) concentration of acquired or congenital origin; and for monitoring severity and treatment of disseminated intravascular coagulation (DIC) and fibrinolysis.
Specimen Requirements
Whole blood must arrive within 2 hours of draw.
Container/Tube: Light blue-top (3.2% buffered sodium citrate, with yellow-striped label) tube
Specimen Volume: Full tube-Hemolyzed specimen is not acceptable.
Collection Instructions: Send whole blood in original tube.
Note:
1. It is imperative that tube is completely filled.
2. Ratio of blood to anticoagulant is critical for valid coagulation results.
3. If specimen will arrive at Logan Health Medical Center Laboratory >2 hours after draw, process specimen as follows:
A. Spin for 10 minutes at 3,500 rpm (1,500 g).
B. Remove plasma from cells and place in a clean, plastic vial.
Day(s) Test Set Up
Monday through Sunday
Reference Values
225-441 mg/dL
Critical value (automatic call-back): ≤59 mg/dL
Performing Laboratory
Logan Health Medical Center Laboratory
Test Classification and CPT Coding
85384
Specimen Transport Temperature
Ambient <2 hours-Whole blood
Refrigerate 2 to 8 hours/Frozen >8 hours OK-Plasma