VWF Multimer VWF-MULTIM

Synonyms

Allscripts (AEHR) Order Name

von Willebrand Factor Multimer Assay

Sunrise Clinical Manager (SCM) Order Name

von Willebrand Factor Multimer Assay

Clinical Info

Specimen Type

Blood

Container

Blue Top Tube

Collection Instructions

Container/Tube: Light blue-top (3.2% sodium citrate) tube
Specimen: 0.5 mL citrated plasma
Transport Temperature: Frozen
Collection Instructions:
1. If no other tube is drawn, draw a discard tube.
2. If there is a delay in transport, spin down, spin plasma again, and send citrate platelet-poor plasma. Double-centrifuged specimens are critical for accurate results as platelet contamination may cause spurious results.
3. Fill tube completely.
4. Mix by gently inverting several times.
5. Send aliquot frozen.

Transport Instructions

Frozen

Specimen Stability

Methodology

Days Performed

Monday, Tuesday and Saturdays

Performing Laboratory

Esoterix

CPT

85247

PDM

5600318

Result Interpretation

Normal pattern and distribution

Forms