VON WILLEBRAND FACTOR ACTIVITY
Order Code ID
2725
Test Description
Test Description >>
Abbreviation
Alias
RISTOCETIN
Specimen Description
Citrated Platelet Poor Plasma (PPP)
Container Type
Sodium Citrate (Light Blue Top) Tube
CPT Code
Transport Temperature
Critical Frozen
Turnaround Time
2 - 4 Days
Minimum Volume
1.5 mL
LOINC
6014-5
LOINC Description
von Willebrand factor.ristocetin cofactor activity actual/Normal
Handling/Draw Instructions
Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: at -20 Degrees C: 3 months; at -70 Degrees C: 6 months. Rejection Criteria: Serum. EDTA plasma, clotted or hemolyzed specimens.
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