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Test Code VW-SUB Von Willebrand Factor Quant Multimer (1063)

Additional Codes

Versiti Test Code: 1063

Useful For

von Willebrand Disease

Synonyms/Keywords

Multimer Analysis

Specimen Requirements

Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
Plasma Citrated Blue Top Tube (BTT)    0.5 mL 0.4 mL aliquot 0.4 mL

Collection/Processing Instructions

Tubes should be drawn at least 90% full. Invert tube completely three or four times to mix. Do Not Shake. Centrifuge at 3000 rpm (refrigerated centrifuge preferred) for 10 minutes with the brake OFF. Transfer plasma to a polypropylene tube with a plastic pipette. Re-centrifuge this tube and then transfer top plasma to a clean polypropylene tube with another plastic pipette. Freeze immediately.

 

Samples must be frozen within 2 hours of drawing.

 

Specimen should be collected prior to coagulation factor replacement therapy, if possible.

Specimen Stability Information

Specimen Type Temperature Time
Plasma Frozen @ -20C    14 days
Frozen @ -80C  1 year

Rejection Criteria

Specimens in glass vials

Reference Range Information

Interpretive report

Performing Laboratory Name

Versiti Wisconsin

Referral Laboratory Information

Address Telephone Website Link Marshfield Lab Account #
638 N. 18th Street Milwaukee, WI 53233 800-245-3117 https://www.versiti.org 588

Performing Information

Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Versiti Wisconsin Monday through Friday 7-10 days Electrophoresis

CPT Codes

CPT Modifier
(if needed)		 Quantity Description Comments
85247        

Outreach CPT Codes

CPT Modifier
(if needed)		 Quantity Description Comments
85247        

Ordering Applications

Ordering Application Description
Centricity von Willebrand Mulitmer Analysis
Cerner Von Willebrand Factor Multimer Assay (1064)