Fibrinogen Comprehensive Panel without Consultation

Test Code

14458

CPT Codes
85384, 85385, 85635, 85670

Includes

Fibrinogen Activity, Clauss
Thrombin Clotting Time with Reflex to Mixing Studies
Reptilase Clotting Time
Fibrinogen Antigen, Nephelometry

If the Thrombin Clotting Time is >23 seconds, Mixing Studies will be performed at an additional charge (CPT codes(s): 85675).

Preferred Specimen

1 mL frozen plasma collected in each of four 3.2% sodium citrate (light blue-top) tubes

Minimum Volume

1 mL (x4)

Instructions

Centrifuge light blue-top tube 15 minutes at approximately 1500 x g within 60 minutes of collection. Using a plastic pipette, remove plasma, taking care to avoid the WBC/platelet buffy layer and place into a plastic vial. Centrifuge a second time and transfer platelet-poor plasma into plastic vials. Plasma must be free of platelets (<10,000/mcL). Freeze immediately and ship on dry ice.

Transport Temperature

Frozen

Specimen Stability

Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Clotted

Methodology
Nephelometric • Clot Based Assay • Photometric Clot Detection • Clot Detection • Clauss • Atomic Spectroscopy (AS)

Setup Schedule

Set up and Report available: See individual assays

Reference Range

See Laboratory Report

Clinical Significance

The Fibrinogen Comprehensive Panel is used in evaluating suspected hypo- or dysfibrinogenemia.

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.