VON WILLEBRAND FACTOR MULTIMER

LAB1111

Collect

Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.

Specimen Preparation

Transfer 1 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Unacceptable Conditions

Serum. Specimens collected in wrong anticoagulant. Clotted, hemolyzed, or non-frozen specimens.

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

Methodology

Qualitative Electrophoresis

Reported

4-11 days

Synonyms

  • LAB1111
  • VWF MULTI

Ordering Recommendations

Order to subclassify established von Willebrand disease.

Reference Interval

By report

CPT Codes

85247
Collection

LAB1111

Collect

Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.

Specimen Preparation

Transfer 1 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Unacceptable Conditions

Serum. Specimens collected in wrong anticoagulant. Clotted, hemolyzed, or non-frozen specimens.

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
Ordering

Performed

Mon-Fri

Methodology

Qualitative Electrophoresis

Reported

4-11 days

Synonyms

  • LAB1111
  • VWF MULTI

Ordering Recommendations

Order to subclassify established von Willebrand disease.
Result Interpretation

Reference Interval

By report
Administrative

CPT Codes

85247

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