FIBRINOGEN

Test Code

CPT Codes
85384

Preferred Specimen

Blue Tube (Sodium Citrate)

If a butterfly needle is use for collection, a NON-ADDITIVE discard tube must be drawn first

Patient Preparation
None

Minimum Volume

2 mL (Tube MUST be filled to nominal line for proper whole blood to anticoagulant ratio – see volume guides below)

Instructions

If testing will be delayed >1 hour from collection. If not tested within 4 hours of collection, freeze plasma.

Lab note: Refer to document below (Obtaining a Platelet-Poor Specimen)

Transport Container

BLUE Tube

Transport Temperature

Room Temperature

Specimen Stability

15-30°C up to 4 hours

Methodology
Clot Detection

Setup Schedule

DAILY, as received

Report Available

STAT: <60 minutes
Routine: <4 hours

Reference Range

Male/Female All Ages: Normal Range: 249-493 mg/dL Critical Low : <=60 mg/dL

Clinical Significance

Fibrinogen is a protein essential for blood clot formation. This test may be useful in patients with unexplained or prolonged bleeding, thrombosis, abnormal PT and/or PTT results, undergoing treatment for abnormal fibrinolysis or clotting dysfunction. High fibrinogen levels have also been associated with coronary heart disease and peripheral arterial disease.

Performing Laboratory
Mount Sinai Hospital
Holy Cross Hospital

Additional Information
BD Vacutainer Blue Tube Volume Guide
Greiner Vacutainer Blue Tube Volume Guide
Obtaining A Platelet-Poor Specimen

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.