FACTOR V LEIDEN SCREEN
Marquette General Health System
Alpha Code |
FAC5L | |
MGH LIS Test No |
8624 | |
Schedule |
Monday, Wednesday, Friday | |
Testing Time |
1 day | |
Testing Lab |
Marquette General Hospital | |
QORR Test Code |
FAC5L | |
Type |
1 Blue Top (Citrate) | |
Volume |
1.0 mL plasma | |
Temperature |
Frozen | |
Preservative |
||
Collection Info |
Platelet poor plasma required. Spin specimen with a Sure-Sep II or double spin by first spinning and removing plasma, then spin plasma again, removing and freezing immediately. Test may be performed on patients on stabilized oral anticoagulant, heparin and low molecular weight heparin therapy. |
|
Clinical Utilities
Screening test for Factor V Leiden defect which is the most common
cause of inherited thrombophilia. An abnormal test should be followed
up with Factor V Leiden R506Q gene mutation.
CPT Codes
85307
Reference Range
Ratio of: 2.2 - 6.0
Component Information
Additional Comments
Initial oral anticoagulation treatment before stabilization and levels
of Protein C below 50% may give low Factor V Leiden Assay ratios.
Questions or Comments email support@mgh.org
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