Lab Test Details
|
SIM |
21135 |
|
CPT |
85247 |
|
Synonyms |
vWF Multimers |
|
Specimen Type |
Plasma |
|
Container |
Blue-top (sodium citrate ) tube |
|
Collection Instructions |
Blood should be collected in a blue-top tube containing 3.2% buffered sodium citrate. Tubes must be filled to completion to ensure a proper blood to anticoagulant ratio. Sample should be mixed by gentle inversion at least six times to ensure adequate mixing of anticoagulant with the blood. Do not draw from an arm with a heparin lock or heparinized catheter |
|
Volume |
Volume: 2 ml. |
|
Additional Information |
Diagnosis of von Willebrand factor (vWF) deficiency subtype |
|
Patient Preparation |
Do not draw from an arm with a heparin lock or heparinized catheter. |
|
Specimen Processing Instructions |
Separate plasma from cells ASAP, being careful not to disturb the cells
|
|
Transport Requirements |
Freeze |
|
Specimen Stability |
Frozen : 7 days |
|
Rejection Criteria |
Serum; plasma from tube other than blue-top (sodium citrate) tube; |
|
Reference Range |
Reference range accompanies report
|
|
Critical Value |
|
|
Test Includes |
von Willebrand Factor multimers |
|
Methodology |
Western blot |
|
Testing Frequency |
|
|
LCA |
500148 |
|
Reviewed By |
Lisa McBride |
|
Reviewed Date |
2/19/2018 |
|
Supplemental |
* Denotes Reference Lab Test |
Reviewed by Lisa McBride on February 19, 2018