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HelpTest ID 9INHT Factor IX Inhibitor Profile Technical Interpretation
Specimen Required
Only orderable as part of a profile. For more information see 9INHE / Factor IX Inhibitor Evaluation, Plasma.
Secondary ID
607436Useful For
Technical interpretation of inhibitor to factor IX testing for patients with hemophilia B
Method Name
Only orderable as part of a profile. For more information see 9INHE / Factor IX Inhibitor Evaluation, Plasma.
Technical Interpretation
Reporting Name
FIX Inhib Profile Tech InterpSpecimen Type
Plasma Na CitSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma Na Cit | Frozen | 14 days |
Clinical Information
Factor IX inhibitors arise in patients with severe hemophilia B after factor IX transfusion. Patients with factor IX inhibitors may also develop anaphylactic reactions in response to factor IX infusions. Acquired factor IX inhibitors, occurring in previously healthy people, are exceedingly rare.
Reference Values
Only orderable as part of a profile. For more information see 9INHE / Factor IX Inhibitor Evaluation, Plasma.
An interpretive report will be provided.
Cautions
Occasionally, a potent lupus-like anticoagulant may cause false-positive testing for a specific factor inhibitor (eg, factor VIII or IX).
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