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HelpTest Code 11INT Factor XI Inhibitor Profile, Technical Interpretation
Specimen Required
Only orderable as part of a profile. For more information see 11INE / Factor XI Inhibitor Evaluation, Plasma
Useful For
Technical interpretation of inhibitor to coagulation factor XI testing
This test is not useful for the detection of a lupus-like circulating anticoagulant inhibitor, a nonspecific circulating anticoagulant, or other inhibitors that are not specific for coagulation factors.
Method Name
Only orderable as part of a profile. For more information see 11INE / Factor XI Inhibitor Evaluation, Plasma
Technical Interpretation
Reporting Name
FXI Inhib Profile Tech InterpSpecimen 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 |
Clinical Information
Factor XI inhibitors typically arise in patients with congenital XI deficiency (hemophilia C) or after infusion of fresh frozen plasma or factor XI concentrates. Acquired factor XI inhibitors rarely occur spontaneously.
Reference Values
Only orderable as part of a profile. For more information see 11INE / Factor XI Inhibitor Evaluation, Plasma
An interpretive report will be provided.
Day(s) Performed
Monday through Friday
Report Available
3 to 5 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
Not ApplicableCPT Code Information
85390