Test Code FIB Fibrinogen
Additional Codes
Epic: LAB314
Specimen Required
Specimen Type: Platelet-poor plasma
Collection Container/Type: Light-blue top (3.2% sodium citrate)
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
- Within 4 hours of collection, centrifuge, transfer all plasma into a plastic vial, and centrifuge plasma again. Aliquot plasma into separate plastic vial leaving 0.25 mL in the bottom of centrifuged vial.
- Freeze plasma immediately (no longer than 4 hours after collection) at -20° C, or, ideally at ≤-40° C.
Additional Information:
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Double-centrifuged specimen is critical for accurate results as platelet contamination may cause spurious results.
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Each coagulation assay requested should have its own vial.
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Do not store citrated samples refrigerated because the factors may become cold activated.
Specimen Minimum Volume
0.5 mL
Specimen Stability
Plasma
Room temperature: 4 hours
Refrigerated: Unacceptable
Frozen: 1 month
Whole Blood
Room temperature: 4 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
Reference Range
189 - 458 mg/dL
Report Available
1 day
Transport Container
Plastic screw-cap vial
CPT Codes
85384
LOINC
3255-7
Day(s) Performed
Daily