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Labcorp Oklahoma, Inc.
Test Directory


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Fibrinogen

Order Name FIBRINOGEN
Test Number: 1501600
Revision Date 10/08/2024
Test Name Methodology LOINC Code
Fibrinogen
Clot Detection 3255-7 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 2.7 mL Whole Blood Sodium Citrate 3.2% (Blue Top) Room Temperature
Alternate 1 1.5 mL Double Spun Plasma Sterile, Capped Plastic Tube Frozen
Instructions Please indicate anticoagulant therapy.
Each 2.7mL Sodium Citrate 3.2% (Blue Top) tube must be filled to the proper level, no hemolysis. Improperly filled tubes can give erroneous results. Whole blood must be transported to lab immediately.
If testing cannot be started within 4 hours of collection the specimen must be double spun then 1.5mL plasma aliquot from each tube into individual plastic aliquot tubes and freeze. 
Do not pool aliquots together!
GENERAL INFORMATION
Testing Schedule Mon-Fri 
Expected TAT 1 Day From Set Up  
Clinical Use Fibrinogen is increased in diabetes, pregnancy, and inflammatory states. It is decreased in DIC, fibrinolysis, and hereditary disease. 
CPT Code(s) 85384
Lab Section Coagulation