|
|
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Von Willebrand Comprehensive Panel
Test Code3040008014
Alias/See Also
1231500024
CPT Codes
852408524685247
Includes
VON WILLEBRAND FACTOR ACTIVITY
VON WILLEBRAND FACTOR ANTIGEN
FACTOR VIII ACTIVITY
VON WILLEBRAND FACTOR ANTIGEN
FACTOR VIII ACTIVITY
Preferred Specimen
Blue Top (Sodium Citrate) tube
Minimum Volume
Fully collected Blue Top tube
Instructions
Fully collect a Blue Top (sodium citrate) tube. Mix sample immediately by gentle inversion at least six times.
Transport Temperature
Send platelet poor plasma Frozen to -20C or less.
To obtain platelet poor plasma: Centrifuge, separate plasma, re-centrifuge, and separate plasma into a transport tube.
Specimen Stability
Refrigerated: 4 hours Frozen: > 4 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Underfilled tubes
Methodology
ACL TOP 750
Reference Range
VON WILLEBRAND FACTOR ACTIVITY
Males/Females:
48.8-163.4%
VON WILLEBRAND FACTOR ANTIGEN
Males/Females:
42.0-176.3%
FACTOR VIII ACTIVITY
Males/Females:
50.0-150.0%
Males/Females:
48.8-163.4%
VON WILLEBRAND FACTOR ANTIGEN
Males/Females:
42.0-176.3%
FACTOR VIII ACTIVITY
Males/Females:
50.0-150.0%
Performing Laboratory
LITTLE ROCK LABORATORY
Last Updated: August 26, 2026

