Fibrinogen

Test Code

FIBRINOGEN

Alias/See Also

Hematology

Preferred Specimen

Light Blue Top Tube – 3.2% sodium citrate

Transport Temperature

Refrigerate

Specimen Stability

Whole blood, unopened tube, centrifuged or uncentrifuged
Room temperature: 4 hours

Plasma aliquot
Room temperature: 4 hours
Refrigerated (2-8°C): 4 hours
Frozen (-20°C): 2 weeks
Frozen (-70°C): 12 months

Methodology
Photo-optical clot detection

Setup Schedule

Daily

Report Available

TAT 1 day

Reference Range

199 – 476 mg/dL

Clinical Significance

Fibrinogen is essential for the formation of a blood clot. Deficiency can produce mild to severe bleeding disorders.

Performing Laboratory
Test performed in West Roxbury Hematology Lab
Contact West Roxbury: Nolan Raymond 857-203-5980

Last Updated: May 19, 2025

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.