Test Code 5BETH Factor V Bethesda Units, Plasma
Advisory Information
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
Secondary ID
607433Useful For
Detecting and quantifying the presence and titer of a specific factor inhibitor directed against a specific coagulation factor
Method Name
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
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 |
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Gross icterus | Reject |
Reference Values
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
≤0.5 Bethesda Units
Day(s) and Time(s) Performed
Monday through Friday
Performing Laboratory

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 U.S. 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 |