Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.
Additional Requirements
Collect: Blue Na Citrate
Auto Lab Accepts:
Unacceptable Conditions
Serum. EDTA plasma, clotted or hemolyzed specimens.
Specimen Preparation
Transfer 1 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Ordering Recommendations
Order to assist with diagnosis and subclassification of inherited or acquired von Willebrand disease.
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Stability (from collection to initiation)
Ambient: 4 hours; Refrigerated: Unacceptable; Frozen at -70°C: 6 months; Frozen at -20°C: 3 months
Performed
Mon-Fri
Reported
4-11 days
Lab info
Specimens are sent by the Core Laboratory to ARUP Laboratory.
Section
Reference Laboratory-ARUP Laboratories
Reference Laboratory Test Code
0092281
Methodology
Qualitative Electrophoresis
Synonyms
Von Willebrand factor multimer analysis
VWF multimers
vWF multimer analysis
Reference Interval
By report
Interpretive Data
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
ARUP Test Code
0092281
LOINC
32217-2
CPT Codes
85247
Test Information
EPIC Lab Number
LAB5821
Collect
Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.
Additional Requirements
Collect: Blue Na Citrate
Auto Lab Accepts:
Unacceptable Conditions
Serum. EDTA plasma, clotted or hemolyzed specimens.
Specimen Preparation
Transfer 1 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Ordering Recommendations
Order to assist with diagnosis and subclassification of inherited or acquired von Willebrand disease.
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Stability (from collection to initiation)
Ambient: 4 hours; Refrigerated: Unacceptable; Frozen at -70°C: 6 months; Frozen at -20°C: 3 months
Performed
Mon-Fri
Reported
4-11 days
Lab info
Specimens are sent by the Core Laboratory to ARUP Laboratory.
Section
Reference Laboratory-ARUP Laboratories
Reference Laboratory Test Code
0092281
Methodology
Qualitative Electrophoresis
Synonyms
Von Willebrand factor multimer analysis
VWF multimers
vWF multimer analysis
Reference Interval
By report
Interpretive Data
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
