Test Details
Mnemonic
IFNBA
Ordering Code
3400713
CPT-4 Code(s)
86382
Specimen Information
Patient Preparation
Sample needs to be collected either before treatment with interferon or more than 24 hours
following the most recent does. Patient should not be on steroid therapy for at least two weeks
prior to testing.
following the most recent does. Patient should not be on steroid therapy for at least two weeks
prior to testing.
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells and send 2.0 mL serum in screw capped plastic vial.
Please label each specimen tube with two forms of patient identification. These forms of
identification must also appear on the test requisition form.
Please label each specimen tube with two forms of patient identification. These forms of
identification must also appear on the test requisition form.
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Stability
Room temperature: 72 hours
Refrigerated: 28 days
Frozen: 6 months
Refrigerated: 28 days
Frozen: 6 months
Methodology
Viral Cytopathic Effect Assay
Reference Range
Not elevated: <1:20
Mild/Moderate Elevated: 1:20 - 1:100
Highly Elevated: >1:100
Mild/Moderate Elevated: 1:20 - 1:100
Highly Elevated: >1:100
Performing Laboratory
Quest SJC performed at Athena Diagnostics, Inc.
New York DOH Approval Status
Yes