Von Willebrand Multimeric
Label Mnemonic: VWMUL
Epic code: LAB4264
Supply order: Supply Order Form
Billing: Billing Policies
CPT code: 85247
Specimen(s):
Plasma
Collection Medium:
Light Blue top tube 2.7 mL (Na Citrate)
Minimum:
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.
Turn Around Time:
4-11 days upon receipt at reference laboratory
Reference Range:
By report
Methodology:
Qualitative Electrophoresis
Sample Processing:
Centrifuge within four hours of draw time.
Specimen must be frozen immediately.
Separate plasma into plastic container and cap (glass is not acceptable).
Centrifuge a second time to ensure platelet poor plasma and separate plasma into a new, labeled plastic tube, cap.
Sample Storage:
Freeze specimen immediately.
Transport Instructions:
Place labeled specimen into zip-lock type biohazard bag; seal bag.
Place requisition into outside pocket of bag.
Place dry ice on top of specimen in Styrofoam container to maintain frozen temperature.
CPT Code:
85247
 
See also:
Von Willebrand Antigen Assay, Plasma