Casandra
Casandra Test Code QD91128Version 1 (DRAFT)
Performing Lab
Lab Quest DiagnosticsLab Test ID 8754
Protein C Activity with Reflex to Protein C Antigen
Also known as: PC Activity, PC Antigen, Protein C
Clinical Use
Order TestUse
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Special Instructions
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Limitations
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Test Details
Methodology
Other
Biomarkers
Protein C, Activity
ProteinProtein C, Activity • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Protein C, Antigen
ProteinProtein C, Antigen • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Plasma
Volume
Not provided
Minimum Volume
Not provided
Collection Instructions
Draw blood in a light blue-top tube containing 3.2% sodium citrate, mix gently by inverting 3‑4 times. Centrifuge 15 minutes at 1500 g within one hour of collection. Using a plastic pipette, remove plasma, avoiding the WBC/platelet buffy layer, place into a plastic vial. Centrifuge a second time and transfer platelet‑poor plasma into a new plastic vial(s). Freeze immediately and transport on dry ice.
Causes for Rejection
Gross hemolysis
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Unacceptable |
| Refrigerated | Unacceptable |
| Frozen | 14 days |