View information on our visitor policy. >>

Information about coming with a patient for their appointment, test or surgery. >>

Text size: a a a

Laboratory Medicine

Test catalogue

Interferon-Beta Neutralizing Antibodies (NAbs)

Test Name

Interferon-Beta Neutralizing Antibodies (NAbs)

Gold Tube Specimen Type / Requirements

Container Type = 1 Gold Top

Minimum Volume = 3 ml Serum (SST)

Tubes must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Serum collected with or without gel separator. Ensure sample is mixed appropriately. Please indicate patient’s current INTERFERON-BETA treatment on Page 2 of the requisition under required documentation. Biochemist approval is required prior to ordering this test Write your initials, date and time of collection on the collection label.

Laboratory Staff Instructions: Separate from cells within 2 hours of collection. Store and send frozen.

Rejection Criteria: Plasma, Gross hemolysis, Unlabeled or Not Sufficient Quantity Samples will be rejected.

Stability: Stable 3 weeks refrigerated and 6 months frozen at -20°C or colder.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

2 Weeks

Test Utilization

Reference Value

See Interpretative Report

Test Code



Cell Based Assay

Testing Location

Referred Out – BC, Canada (ROUBC19)

Other Information

Last Updated: June 06, 2019