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Test Code VWACT VON WILLEBRAND FACTOR ACTIVITY

Additional Codes

Primary ID

Epic Code

Mayo Access ID

VWACT

LAB3116 FAH5455

Specimen Information

Container

Specimen

Temperature

Collect Vol

Submit Vol

Minimum Vol

Stability
Blue Top Tube Plasma 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 to 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

Monday – Friday, run starts at 10 am / Same day / Available STAT, nights and weekends with pathologist approval

Method

Latex Particle Enhanced Immunoturbidmetric

CPT(s)

Description CPT Code
VWF Activity 85245

 

Instrumentation

ACL Top
500

Reference Range

49 – 153%

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
VWACT VWF Activity 27816-8