|
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
von Willebrand Disease Profile
Test Code135583
CPT Codes
85240, 85245, 85246, 85247
Includes
Willibrand Factor Antigen
Ristocetin Cofactor
von Willebrand Factor Multimer Analysis*
Factor VIII Activity, Clotting
Ristocetin Cofactor
von Willebrand Factor Multimer Analysis*
Factor VIII Activity, Clotting
Preferred Specimen
1 mL platelet-poor plasma collected in each of four separate 3.2% sodium citrate (light blue-top) tubes
Minimum Volume
1 mL (x4)
Instructions
Please submit a separate, frozen vial for each special coagulation assay ordered.
Collect blood before coagulation factor replacement therapy is begun. Transport 4 separate frozen vials in the same shipping container.
General Drawing Instructions: Refer to Quest Diagnostics Nichols Institute Directory of Services under Specimen Collection section, Coagulation Testing, for further information on specimen processing.
Collect blood before coagulation factor replacement therapy is begun. Transport 4 separate frozen vials in the same shipping container.
General Drawing Instructions: Refer to Quest Diagnostics Nichols Institute Directory of Services under Specimen Collection section, Coagulation Testing, for further information on specimen processing.
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 14 days
Refrigerated: Unacceptable
Frozen: 14 days
Methodology
Aggregation • Clotting Assay • Electrophoresis • Immunoturbidimetric
FDA Status
*This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Mon-Fri; Report available: 5 days
Reference Range
See individual tests
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153