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Test Code VWFMP VON WILLEBRAND FACTOR MULTIMER PANEL

Important Note

Von Willbrand Factor Multimer Panel includes:

Factor 8 Assay, VWF Antigen, VWF Activity(Performed at UVMMC) and

VWF Multimers(Performed at Mayo Medical Labs)

 

 

Performing Laboratories

UVMMC Laboratory and Mayo Medical Laboratory

Specimen Requirements

Specimen Type:  Platelet poor plasma (PPP)

Container/Tube:  3 - 3.5mL Blue coag tubes

Specimen Volume:  Tubes must be FULL

Collection Instructions:  

1.  Collect 3 - 3.5 mL blue coag tubes

2.  Samples must be spun for PPP within 4 hours of collection

3. PPP poured off into 4 - 1mL aliquots and frozen immediately

4. Samples only stable for 4 hours at room temperature.

Test Schedule / Analytical Time / Test Priority / Turn around Time

UVMMC:

Monday - Friday / Varies / Not Available STAT

Mayo Medical:

Monday - Thursday / Not Available STAT / 7 - 14 Days

Test Classification and CPT Codes

Factor 8 - 85240

VWF Multimers - 85247

VWF Activity - 85245

VWF Antigen - 85246

Reference Ranges

See Individual Tests

Important Information

Due to specific handling procedures, Patient's should be drawn at Porter Lab