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HelpTest ID 5BETH Factor V Bethesda Units, Plasma
Ordering Guidance
If type of inhibitor is unknown, order APROL / Prolonged Clot Time Profile, Plasma.
Specimen Required
Only orderable as a reflex. For more information see:
-ALUPP / Lupus Anticoagulant Profile, Plasma
-ALBLD / Bleeding Diathesis Profile, Limited, Plasma
-APROL / Prolonged Clot Time Profile, Plasma
-5INHE / Factor V Inhibitor Evaluation, Plasma
Useful For
Detecting and quantifying the presence and titer of a specific factor inhibitor directed against coagulation factor V
Method Name
-ALUPP / Lupus Anticoagulant Profile, Plasma
-ALBLD / Bleeding Diathesis Profile, Limited, Plasma
-ACBL / Bleeding Diathesis Profile, Comprehensive, Plasma
-APROL / Prolonged Clot Time Profile, Plasma
-5INHE / Factor V Inhibitor Evaluation, Plasma
Optical Clot-Based
Reporting Name
FV Bethesda Units, PSpecimen Type
Plasma Na CitSpecimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma Na Cit | Frozen | 14 days |
Reference Values
Only orderable as a reflex. For more information see:
-ALUPP / Lupus Anticoagulant Profile, Plasma
-ALBLD / Bleeding Diathesis Profile, Limited, Plasma
-ACBL / Bleeding Diathesis Profile, Comprehensive, Plasma
-APROL / Prolonged Clot Time Profile, Plasma
-5INHE / Factor V Inhibitor Evaluation, Plasma
≤0.5 Bethesda Units
Day(s) Performed
Monday through Friday
Report Available
2 to 5 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
85335
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| 5BETH | FV Bethesda Units, P | 3191-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 607433 | FV Bethesda Units, P | 3191-4 |