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Nabferon-994

Test info

Test name:

Nabferon

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

IFN-B antibody
Interferon-B-1
Interferon beta-1
NabFeron (IFN-B) antibody
NAbFeron (IFNB-1) Neutralizing Antibody

Useful for:

Detection of neutralizing antibodies to interferon-beta

Specimen

Patient preparation information:

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 type:

Serum

Collection container:

Red serum vial/tube - 5 mL

Volume:

2.0 mL

Minimum volume:

0.5 mL

Collection instructions:

Sample needs to be collected either before treatment with interferon or more than 24 hours following the most recent dose

Processing instructions:

Allow sample to clot
Spin within 48 hours of sample collection
Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum

Transport container:

Transfer vial/tube with cap - 12mL (LabCorp)

Alternate collection container:

Gold serum separator (SST) tube

Alternate collection instructions:

Immediately following collection, mix sample thoroughly by gentle inversion, 5 times

Alternate processing instructions:

Allow sample to clot for a minimum of 30 minutes
Spin within 48 hours of sample collection

Alternate transport container:

Gold serum separator (SST) tube

Transport and stability:

Refrigerated (preferred)

Frozen - 180 days

Ambient - 72 hours

Performance

Performing lab:

Athena Diagnostics (112) via LabCorp (009985): R-NX

Days set up:

Mo - Fr

TAT:

14-21 days

Method:

Viral cytopathic effect assay

Clinical and Interpretive info

Reference ranges:

<1:20

Billing

CPT codes:

86382

Tracking

Date created:

01/29/2003

Revised date:

12/18/2023

Review date:

12/18/2023