- YF8AG
Factor VIII Antigen
Specimen:
Test Code
YF8AG
Specimen Name
Factor VIII Antigen
Collect
2-Blue Top (Na-Citrate)
Submit
1 mL (Min 0.5 mL) Plasma CRITICAL FROZEN
Special Handling
Platelet-poor plasma: Centrifuge light blue-top tube for 15 minutes at approximately 1500 g within 60 minutes of collection. Using a plastic pipette, remove plasma, taking care to avoid the WBC/platelet buffy layer and place into a plastic screw-cap vial. Centrifuge a second time and transfer platelet-poor plasma into a new plastic screw-cap vial. Plasma must be free of platelets (<10, 000/mcl). Freeze immediately and ship on dry ice.
Rejection Criteria
Received room temperature or refrigerated.
Stability
Ambient Unacceptable; Refrigerated Unacceptable; Frozen 1 month
Methodology
Immunoassay (IA)
Performed
Varies
Reported
3-31 days
CPT Codes
- 85244
Components
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Additional Information
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Common Lab Definitions
- Serum
- Plasma
- STT