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Test ID FINA NAbFeron (IFNB-1) Neutralizing Antibody Test

Useful For

Detection of antibodies to interferon-B-1

Method Name

Viral cytopathic effect assay

Reporting Name

NAbFeron (IFN-B) Antibody

Specimen Type


Specimen Required

Draw blood in a plain red-top tube(s), serum gel tube is acceptable.  Spin down and send 2 mL of serum refrigerated in a plastic vial.


Note: Sample needs to be collected either before treatment with interferon or more than 24 hours following the most recent dose. Patient should not be on steroid therapy for at least two weeks prior to testing.

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 28 days
  Frozen  365 days
  Ambient  72 hours

Reference Values

A final report will be attached in MayoAccess.

Day(s) and Time(s) Performed

Monday through Friday

Performing Laboratory

Athena Diagnostics

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FINA NAbFeron (IFN-B) Antibody In Process


Result ID Test Result Name Result LOINC Value
Z0083 NAbFeron (IFN-B) Antibody In Process

Test Classification

This test was developed and its performance characteristics have been determined by Athena Diagnostics. Performance characteristics refer to the analytical performance of the test.