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Test Code VON WILLEBRAND ACTIVITY von Willebrand Activity

Department

Coagulation

Specimen Type

Plasma

Method

Clot Based Assay

Container

Sodium citrate 3.2% (light blue-top)

Special Requirements

Two (2) 2.7 ml blue top tubes required. All Tubes must be filled completely. 

This test is not eligible for Add-Ons

Standard Volume

5.4ml

Minimum Volume

N/A

Pediatric Volume

N/A

Ship Temperature

Refrigerated for up to 4 hours

If delivery to the testing Laboratory will be more than 4 hours, double spin, sepate plasma from cells and ship frozen. 

Stability Refrigerated

4 hours

Stability Room Temp

4 hours

Stability Frozen

7 Days

Spin down and separate plasma. Freeze plasma at -70 degree C

CPT Code

85245

Days Test Set Up

Monday through Friday