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Test Code LAB314 Fibrinogen, Blood

Important Note

Please see the Coagulation Limitations under resources for effect of Anticoagulant drugs in this test.

Reporting Title

Fibrinogen

Methodology

Diagnostica Stago, Inc.

Used to identify congenital afibrinogenemia, disseminated intravascular coagulation, and evaluate fibrinolytic activity.

Performing Laboratory

OhioHealth Laboratory Services- RMH, GMC, DH, DMH, MGH, GMH, HMH, GCMH, MH, SH, BH, PMH and OMH Core Laboratories

Specimen Requirements

Unprocessed whole blood sample at RMH must arrive within 48 hours of draw.

 

Draw a full, light blue-top (citrate) tube, and send citrated whole blood. Invert several times to mix blood. Forward unprocessed whole blood promptly at ambient temperature. Do not refrigerate.

Note:  Gross hemolysis, icterus and icteria may affect results.

 

If longer than 48 hours, spin down, remove plasma, spin plasma again and place a minimum of 1.0 mL of citrated platelet-poor plasma into a plastic vial and send frozen.

 

 

 

Specimen Stability Information

Specimen Type Temperature Time
Unspun whole blood Room Temperature 48 hours
Spun, capped whole blood Room Temperature 8 hours
  Refrigerate Do not refrigerate

 If longer than 48 hours, spin down, remove plasma, spin plasma again and place a minimum of 1.0 mL of citrated platelet-poor plasma into a plastic vial and send frozen.

Specimen Transport Temperature

Ambient: OK

Refrigerate: NO

Frozen: OK

Reference Values

224-483 mg/dL

Critical value <100 mg/dL

Alerting category: Always called within 1 hour

Note: Direct oral anticoagulants and high-concentrations of heparin (>2 U/mL) can falsely decrease fibrinogen concentration.

Day(s) Test Set Up

Monday through Sunday; Continuously

Test Classification and CPT Coding

85384