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von Willebrand Disease Profile (Esoterix)
CPT:
83520; 85240; 85245; 85246; 85730
Test Includes
Activated partial thromboplastin time; factor VIII activity; von Willebrand factor activity; von Willebrand factor antigen; von Willebrand factor collagen binding; von Willebrand factor collagen-binding activity
Expected Turnaround Time
3 - 9 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
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3 - 9 days |
Related Documents
Specimen Requirements
Specimen
Plasma, frozen
Volume
Three 1-mL tubes
Minimum Volume
One 1 mL tube
Container
Blue-top (sodium citrate) tubes
Collection
To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Storage Instructions
Freeze
Test Details
Limitations
This procedure may be considered by Medicare and other carriers as investigational and, therefore, may not be payable as a covered benefit for patients.
Methodology
Clot; enzyme-linked immunosorbent assay (ELISA); latex immunoagglutination assay; platelet agglutination
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 500247 | von Willebrand Disease Profile | 500513 | APTT | sec | 14979-9 | |
| 500247 | von Willebrand Disease Profile | 500666 | Factor VIII Activity | % | 3209-4 | |
| 500247 | von Willebrand Disease Profile | 500669 | von Willebrand Factor Activity | % | 6014-5 | |
| 500247 | von Willebrand Disease Profile | 500668 | von Willebrand Factor Antigen | % | 27816-8 | |
| 500247 | von Willebrand Disease Profile | 500552 | vWF Collagen Binding Act. ** | % | 50377-1 | |
| 500247 | von Willebrand Disease Profile | 500359 | vWF Collagen Binding | ratio | 50378-9 |
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CPT Statement/Profile Statement
The LOINC® codes are copyright © 1994-2021, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf