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Test Code AVWPI von Willebrand Disease Profile Technical Interpretation


Specimen Required


Only orderable as part of a profile. For more information see AVWPR / von Willebrand Disease Profile, Plasma.


Useful For

Detection of deficiency or abnormality of von Willebrand factor (VWF) 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).

Testing Algorithm

If the factor VIII, von Willebrand factor (VWF) antigen, VWF activity and VWF activity:VWF antigen ratio are normal, a computer-generated interpretive comment indicating no evidence of von Willebrand disease will be provided.

 

If any test results in the profile are abnormal, all results will be reviewed by a coagulation consultant and a von Willebrand Disease Profile Interpretation (AVWPQ) will be provided.

Method Name

Only orderable as part of a profile. For more information see AVWPR / von Willebrand Disease Profile, Plasma.

Reporting Name

von Willebrand Disease Tech Interp

Specimen Type

Plasma Na Cit

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Plasma Na Cit Frozen 14 days

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.

Day(s) and Time(s) Performed

Monday through Friday; Varies

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

Not Applicable

CPT 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