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.
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.
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.
Place requisition into outside pocket of bag.
Place dry ice on top of specimen in Styrofoam container to maintain frozen temperature.
See also:
Von Willebrand Antigen Assay, Plasma
Von Willebrand Antigen Assay, Plasma