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Fibrinogen Antigen, Nephelometry
Test Code37801
CPT Codes
85385
Preferred Specimen
1 mL plasma collected in 3.2% sodium citrate (light blue-top) tube
Patient Preparation
Overnight fasting is required
Minimum Volume
0.5 mL
Instructions
Avoid hemolysis. Avoid lipemia.
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 72 hours
Frozen: 90 days
Refrigerated: 72 hours
Frozen: 90 days
Methodology
Nephelometry
Setup Schedule
P.M. Sets up 2 days a week.
Clinical Significance
Low levels of fibrinogen are associated with bleeding most commonly secondary to liver disease or Disseminated Intravascular Coagulation (DIC). Fibrinogen is an acute phase reactant and thus elevated levels may be associated with inflammation. Increased concentrations are also associated with increased risk of atherosclerosis.
