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HelpTest Code VWFMP von Willebrand Factor Multimer Analysis, Plasma
Specimen Required
Only orderable as part of a coagulation reflex. For more information see:
ALUPP / Lupus Anticoagulant Profile, Plasma
ALBLD / Bleeding Diathesis Profile, Limited, Plasma
AVWPR / von Willebrand Disease Profile, Plasma
For more information see Coagulation Guidelines for Specimen Handling and Processing.
Useful For
As a reflex component of several coagulation consultation unit codes, when indicated
When results of complementary laboratory tests are abnormally low or discordant (eg, F8A / Coagulation Factor VIII Activity Assay, Plasma; VWACT / von Willebrand Factor Activity, Plasma; and VWAG / von Willebrand Factor Antigen, Plasma)
To subtype von Willebrand disease (VWD) (primarily identify variants of type 2 VWD)
As an aid in determining appropriate treatment
Special Instructions
Reporting Name
von Willebrand Factor Multimer, PSpecimen Type
Plasma Na CitSpecimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma Na Cit | Frozen | 42 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
Reference Values
Only orderable as part of a coagulation reflex. For more information see:
ALUPP / Lupus Anticoagulant Profile, Plasma
ALBLD / Bleeding Diathesis Profile, Limited, Plasma
AVWPR / von Willebrand Disease Profile, Plasma
An interpretive report will be provided.
Day(s) Performed
Monday, Tuesday
Report Available
7 to 14 daysSpecimen Retention Time
21 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
85247
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| VWFMP | von Willebrand Factor Multimer, P | 32217-2 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 604411 | von Willebrand Factor Multimer, P | 32217-2 |
| 604412 | VWF Multimer Interpretation | 48595-3 |