Fibrinogen Antigen, Nephelometry : 1015295

Test Code
FIBAGQ or 1015295

CPT Codes
85385

Instructions
Overnight fasting is required.

Lt. blue (3.2% sodium citrate).

Transport Container
Centrifuge light blue-top tube and transfer 1 mL (Min: 0.5 mL) citrated plasma into a standard transport tube.

Transport Temperature
Frozen.

Specimen Stability
Ambient: Unacceptable; Refrigerated: 72 hours; Frozen: 90 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature, Received refrigerated.

Methodology
Nephelometry

Setup Schedule
Monday & Thursday

Report Available
3-7 days (From receipt at performing laboratory)

Reference Range
180-350 mg/dL

Risk: Optimal less than 350 md/dL; High greater than or equal to 350 mg/dL

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.

Performing Laboratory
Quest Diagnostics



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.