Von Willebrand Multimeric
Label Mnemonic: VWMUL
Epic code: LAB4264
Downtime form: A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery
Commercial Mail-out Laboratory
5231 RCP
Specimen Instructions:
Scheduled through Hematology Consult Service. Test will be processed in Hemostasis/Thrombosis (Core Laboratory). Once sample is processed the testing will be sent to a reference laboratory for analysis.

Separate samples must be submitted when multiple tests are ordered.
Collection Medium:
Light Blue top tube 2.7 mL (Na Citrate)
Preferred Minimum: 1 mL platelet-poor plasma in light blue top tube.
Absolute Minimum: 0.5 mL platelet-poor plasma in light blue top tube.
Rejection Criteria:
Serum. Specimens collected in wrong anticoagulant. Clotted, hemolyzed, or non-frozen specimens.
Delivery Instructions:
Deliver to laboratory immediately after collection. Critical frozen.
Turn Around Time:
4-11 days upon receipt at reference laboratory
Reference Range:
By report
Qualitative Electrophoresis
CPT Code:
See Additional Information:
Specimens Requiring Immediate Delivery