Von Willebrand Antigen Assay
Order Code: VWAG
Epic Lab Code: LAB1167
Order Form: A-1a Miscellaneous Request or Epic Req
Hemostasis/Thrombosis
6240 RCP
356-3573
Specimen:
Plasma
Collection Medium:
Light Blue top tube 2.7 mL (Na Citrate)
Minimum:
Full draw; 2.7 mL light blue top
Testing Schedule:
0800-1630 Monday through Friday. For additional services, contact Clinical Pathology Resident on-call at pager #3404.
Reference Range:
41-152%
Comments:
This test needs a separate tube! It CANNOT be done with any other coagulation tests. Must have Hematology Consult approval from pager 4326.
Methodology:
Latex agglutination, absorption spectrophotometry
CPT Code:
85246
 
See Additional Information:
Phlebotomy Tubes and Order of Draw