Epic Code LAB2111186 von Willebrand Factor Multimer
Additional Codes
Versiti Wisconsin test code 1063
Test Name Alias
vonWillebrand Multimer Analysis VWF Quantitative Multimer | 8283
Interface Order Alias
10283
Collection Instructions
Specimen Collection: Blood
Container(s): Blue top (3.2% Na. Citrate)
- Preferred Volume to Collect: 2.7 mL (full tube)
- Minimum Volume to Collect: 1.8 mL (full tube)
- Capillary collect ok: No
- Microtainer acceptable: No
COLLECTION INSTRUCTIONS
-
Detailed instructions (link): Anticoagulant Correction for High Hematocrit
-
Detailed instructions (link): Blue Citrate Tube
-
Tube must be full. Do not over fill or under fill; look for the fill indicator lines.
- Gently invert 8 - 10 times to mix anticoagulant with blood.
- Specimen should be processed within 1 hour – See Processing Instructions below.
PROCESSING INSTRUCTIONS (Laboratory, Outpatient or Off-site collection)
Processed Specimen: Platelet Poor Plasma with a platelet count <10 X 109/L
Centrifuge/Spin: Yes
Aliquot: Yes
Processing Instructions:
- Centrifuge and remove plasma within 1 hour of collection.
-
For detailed instructions to prepare platelet poor plasma please use the following (link): Preparing Platelet Poor Plasma
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- Separate plasma into 2-3 aliquots, minimum of 0.5 mL each.
- Freeze aliquots in plastic transport tubes immediately.
Transport Temperature:
- Ambient (up to 1 hour in whole blood state)
- Frozen (plasma only >4 hours)
Rejection Criteria
Hemolysis
Specimen Stability
Ambient: 1 hour
Frozen: 2 months
Test Frequency
Sent to reference laboratory. Usual TAT 7-10 days.
Performing Department
REFERRAL SEND OUTS
Performing Department Laboratory Location
Send Out to Versiti Wisconsin Ref. Lab
CPT
85247
CDM Code
80101911
Epic Test ID
1230101297
LOINC
vWFMultimer Analysis: 32217-2
vWFMultimer Analysis Interp: 8251-1
Beaker LOINC
Send Out test to Versiti Wisconsin, LOINC Unavailable
Reviewed Date
6/9/2023