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Test Code LAB307 VON WILLEBRAND FACTOR ANTIGEN

Additional Codes

Orderable Codes:

Epic Code Atlas Code Mayo Access ID Order LOINC
LAB307 VWFA FAH5365 27816-8

Result Component(s): 

Reporting Name Epic Code Atlas Code Mayo Access ID Result LOINC
Von Willebrand Antigen 12301000152 VWFA FAH5365 27816-8

 

Specimen Information

Container Specimen Temperature Collect Vol Submit Vol Min Vol Stability
Blue Top Tube Plama Frozen To fill line 2 mL plasma 0.5 mL plasma 6 months
Blue Top Tube Whole Blood Ambient To fill line To fill line To fill line 4 hours

Refer to Coagulation Specimen Handling prior before collection. Submit 2 × 0.5 mL frozen plasma aliquots for this test. Draw blood in light blue top tube(s). If sample can be submitted within 3 hours, submit whole blood at ambient temperature. If this is not possible, spin down tube and remove plasma.  Spin plasma again and place citrate platelet-poor plasma in required number of plastic vials (Glass vials cannot be accepted.) Freeze specimen at less than or equal to minus 40° C if possible. Send specimen frozen on dry ice. Each coagulation assay requested should have its own vial.

Test Schedule / Analytical Time / Test Priority

Tuesday, Thursday / 1 day / Available STAT, nights and weekends with pathologist approval

Method

Immunoassay

CPT(s)

Description CPT Code
VWF Antigen 85246

 

Instrumentation

ACL Top 

Reference Range

50 – 185%

Section

Coagulation

Performing Location

University of Vermont Medical Center

Is the UVMMC lab NY State Certified to perform this testing?  Yes/No

Yes

LOINC Code Information

Result Code Reporting Name LOINC Code
VWFA VWF Antigen 27816-8