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Laboratory Test Directory

Fibrinogen

Overview
Specimen Requirements
Billing Code

Components

Name Method Department Units
Fibrinogen Clot detection
Core Lab, Coagulation mg/dL
Test Code

FIBR

Typical Turnaround Time

2 hours

Setup Schedule

All shifts
Daily

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Blue plastic tube (Citrate)

 2.7 mL 2.7 mL
Alternate

Blue plastic tube (Citrate)

 1.8 mL 1.8 mL
Stability

Room temperature - 12 hour(s)

Specimen Preparation

  • Do not centrifuge
  • Fill tubes to appropriate mark.
  • Mix by gentle inversion immediately after collection
  • Transport to the lab immediately after collection
  • Keep at room temperature

Platelet poor plasma

Container Type Container Size Specimen Volume
Preferred

Blue plastic tube (Citrate)

 2.7 mL 2.7 mL
Stability

Frozen - 2 week(s)

Alternate

Blue plastic tube (Citrate)

 1.8 mL 1.8 mL
Stability

Frozen - 2 week(s)

Specimen Preparation

  • Fill tubes to appropriate mark.
  • Mix by gentle inversion immediately after collection
  • Centrifuge, remove plasma/serum and freeze
  • Plasma must be platelet free

Reasons for Rejection

  • Over or under filled tube
  • Clotted specimen
  • Not received within specified time frame
  • Gross hemolysis
  • Wrong collection tube
  • Capillary specimen
  • Specimen collected in glass tube

Comments

Indicate collection method on sample. Centrifuge citrate tubes according to Lab policy, remove platelet-poor plasma, pool the plasma, aliquot and freeze. Send a minimum of two (2) aliquots of plasma.

CPT Code

  • 85384