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Test Code LAB314 Fibrinogen Level

Test Name Alias

Fibrinogen Blood Level | 8413

Collection Instructions

Specimen Collection: Blood

 

Container(s): 4.5 mL Blue top (3.2% Na. Citrate) or 1.8 mL Clear/Blue top (3.2% Na. Citrate)

Preferred Volume to Collect: 4.5 mL (Tube must be full)

Minimum Volume to Collect: 1.8 mL (Tube must be full)

Neonate Volume to Collect: 1.8 mL (Tube must be full)

Capillary collect ok: No

Microtainer acceptable: 1.8 mL clear/blue top must be full

 

Collection Instructions:

  • Detailed instructions: Blue Citrate Tube

  • Obtain venous blood by clean venipuncture.

  • Avoid leaving the tourniquet on the patient’s arm for an extended period prior to collection.
  • Tube must be full. Do not over fill or under fill; look for the fill indicator lines.
  • Gently invert 8 – 10 times to mix anticoagulant with blood.
  • Specimen should be processed within 4 hours – See Processing Instructions.

Processing Instructions (Laboratory, Outpatient or Off-site collection)

Processed Specimen: Platelet Poor Plasma

 

Centrifuge/Spin: Yes

Aliquot: Yes

 

Processing Instructions:

  • Centrifuge and remove plasma within 4 hours of collection.

    • Platelet poor plasma specimens are critical for accurate result.   Platelet contamination may cause spurious results.  To obtain platelet poor plasma centrifuge specimen and remove plasma without disturbing cellular components. Platelet count in plasma aliquot should be less than 10,000/μL.

    • For detailed instructions to prepare platelet poor plasma please use the following: Preparing Platelet Poor Plasma

  • Separate plasma into 2 – 3 aliquots, minimum of 0.5 mL each.
  • Freeze aliquots in plastic transport tubes immediately.

Transport Temperature:

  • Ambient (up to 4 hours in whole blood state)
  • Frozen (platelet poor plasma frozen within 4 hours of collection)

Specimen Stability

Ambient: 4 hours

Frozen: Aliquot plasma for longer storage

Laboratory Retention:  24 hours

Test Frequency

Available 24 hours, usual TAT 1 day.

Reference Range

SHRL/BIRL: 190 – 400 mg/dL

Laboratory Critical Values Table

 

SHBR and SHGH: 220 – 450 mg/dL

Performing Department

Coagulation

Performing Department Laboratory Location

Spectrum Health Regional Laboratory (SHRL), Grand Rapids, MI
Spectrum Health Big Rapids Laboratory (SHBR), Big Rapids, MI
Spectrum Health Blodgett Laboratory (BIRL), Grand Rapids, MI
Spectrum Health Gerber Laboratory (SHGH), Fremont, MI

Spectrum Health Pennock Laboratory (SHP), Hastings, MI

Methodology

Clot Based Clauss Assay

CPT

85384

CDM Code

4098413

Interface Order Alias

10040

LOINC

Fibrinogen Lvl: 3255-7

Reviewed Date

7/1/2017