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HelpTest Code VWFGA VWG GPIbM Activity
Additional Codes
3019671
CPT
85397
Specimen Type
Blood
Preferred Collection Container
Blue
Collection Volume
2.7 mL
Minimum Collection Volume
2.7 mL
Collection Instructions
Centrifuge samples at 1500 g for 15 minutes. Remove plasma with plastic transfer pipette and place into a plastic tube. Centrifuge the transferred plasma at 1500 g for 15 minutes. Transfer plasma to new plastic tube (1.5 mL aliquot preferred, 1.0 mL minimum) and freeze.
Separate specimens must be submitted when multiple tests are ordered.
Rejection Criteria
Clotted or hemolyzed secimens
Specimen Storage and Stability
Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: 3 months
Alias
GP1bM; von Willebrand Factor (vWF) Activity
Ordering Info
ARUP refers to Versiti, formerly Blood Center of Wisconsin
Acceptable Collection Container
Blue
Transport Temperature
CRITICAL FROZEN.
LOINC
107372-5
Testing Volume
1.0 mL