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Beta Interferon Neutralising Antibody


Beta Interferon Neutralising Antibody
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Reference Range:

Negative <20 Units
Low Positive 20 - 100 Units
Positive >100 Units

Turnaround Time:

28 Working Days


Internal Test Code:- INBA


Indication: Assessment of response to interferon treatment in Multiple Sclerosis patients

Background: Positive results (>100 units) may reduce efficacy of interferon beta treatment. Positive results should be confirmed on a sample taken at least 4 weeks after the original sample.

Method:Enzyme Linked Immunosorbent Assay (ELISA)

Repeat Frequency: As clinically indicated.



Vessels and Containers:

Serum gold-top

Sample Requirements:

500µl serum


None known

How result is reported:

Numeric in Units

Important Information:

Entry Last Modified 22/05/2019

Reference Lab Description:

Neuroimmunology & CSF Laboratory, Institute of Neurology, Queen Square

Transportation and Handling:

At room temperature

Special Precautions:


Time limits for requesting additional examinations:

Sample available in this laboratory for approximately 2 weeks. Test can only be added to samples already received by Immunology