POST VON WILLEBRAND ACTIVITY

Synonyms: Post VWF Activity
Computer Code: (POVWAC)
Specimen Collection: 2.7 mL blood (blue top tube). Transport to lab within 3 hours.
Minimum Volume: 1.8 mL
Handling Instructions for Offsite Areas: Maintain at room temperature. If specimen cannot be transported within 2 hours, centrifuge at 3,000 rpm for 20 minutes. Using a plastic pipette, transfer plasma to plastic tube and freeze plasma.
Reference Values: 40-163%
Lab Code:
Requisition: SPEC H
Test Frequency: weekly
Routine TAT: 7 days
Stat TAT: Must call Hematology lab for stat request.
CPT Code(s): 85397
LCD or NCD:
Methodology Used:
See Addendum XVII