Von Willebrand Profile

CERNER / EPIC MNEMONIC:

VW PROF

POE DESCRIPTION:

VW Profile

CPT CODE:

85240-90, 85246-90, 85245-90, 85730 (85247-90 if needed)

TEST INFORMATION:

Includes APTT, Von Willebrand Antigen (FVIII Related Antigen), FVIII Activity and Von Willebrand Assay (Ristocetin Cofactor).  If the Von Willebrand Antigen or Von Willebrand Assay is below the normal range, Von Willebrand multimers will be added.

TURNAROUND TIME:

5-7 working days

SPECIAL INSTRUCTIONS:

This test cannot be added onto an existing sample.

CONTAINER TYPE:

blue top (sodium citrate)  tubes. 2.7 mL draw

COLLECTION:

See Section - Specimen Collection Guidelines - Coagulation Specimens

SPECIMEN REQUIREMENTS:

8 mL blood (3.0 mL citrated platelet poor plasma)

REJECTION CRITERIA:

Hct >55%; hemolyzed specimen; underfilled tube (QNS)

MINIMUM VOLUME:

4 mL blood (2.0 mL citrated platelet poor plasma)

REFERENCE RANGE:

See Specialty Labs - Search Test Code - 9761

LAST UPDATED:

02-27-2014

TEST SYNONYM(S):Von Willebrand Screen