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HelpTest Code AVWPI von Willebrand Disease Profile Technical Interpretation
Reporting Name
von Willebrand Disease Tech InterpPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Useful For
Technical interpretation of the von Willebrand factor profile test
Detection of deficiency or abnormality of von Willebrand factor and related deficiency of factor VIII coagulant activity
Subtyping von Willebrand disease (VWD) as type 1 (most common), type 2 variants (less common), or type 3 (rare)
This test is not useful for detection of hemophilia carriers.
This test is not useful for differentiating type 2A versus 2B VWD or platelet-type VWD (pseudo-VWD).
Method Name
Only orderable as part of a profile. For more information see AVWPR / von Willebrand Disease Profile, Plasma.
Technical Interpretation
Specimen Required
Only orderable as part of a profile. For more information see AVWPR / von Willebrand Disease Profile, Plasma.
Specimen Type
Plasma Na CitSpecimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma Na Cit | Frozen | 14 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
Reference Values
Only orderable as part of a profile. For more information see AVWPR / von Willebrand Disease Profile, Plasma.
An interpretive report will be provided.
Interpretation
If the factor VIII, von Willebrand factor (VWF) antigen, VWF activity and VWF activity:VWF antigen ratio results are normal, an interpretive comment will be provided noting no evidence of von Willebrand disease.
Day(s) Performed
Monday through Friday
Report Available
7 to 12 daysTest Classification
Not ApplicableCPT Code Information
85390
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| AVWPI | von Willebrand Disease Tech Interp | 48595-3 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| AVWPI | von Willebrand Disease Tech Interp | 48595-3 |