Test Overview
Test Methodology

Enzyme-Linked Immunosorbent Assay (ELISA)

Test Usage

IFNalpha is mainly produced by monocytes/macrophages, lymphoblastic cells and fibroblasts, but different types of virus activated cells may produce the cytokine. IFNalpha shows antiviral, antiparasitic, and antiproliferative properties. Increased levels suggest recent or ongoing viral or parasitic infection.

Reference Range *

< or = 3 IU/mL

Test Details
Analytic Time

7 - 14 days

Soft Order Code
SLM
Laboratory
Sendout
Reference Laboratory
Quest Nichols (34887)
Section
Special Testing
Specimen Requirements
Collection

Collect specimen in a red top tube; do not use SST tube. Centrifuge, aliquot serum into a plastic vial and freeze.

Rejection Criteria
SST tube not acceptable.
Yellow Top Tube
Red Top Tube
Normal Volume
1 mL serum
Minimum Volume
0.5 mL serum
Additional Information

Test performed by Quest Diagnostics-Nichols Institute.

Billing
CPT Code
83520
NY State Approved
No