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Interleukin-6 (IL-6), Serum
Test CodeIL6
Alias/See Also
IL 6,CYTOKINE,IL 6 HS
Quest Code
34473
Quest Code
34473
CPT Codes
83520
Preferred Specimen
1 mL frozen serum
Patient Preparation
No biotin supplements 48 hours prior to blood draw.
Minimum Volume
0.5 mL
Instructions
Please submit a separate, frozen vial for each test ordered requiring a frozen sample.
Do not thaw. Cytokine levels may demonstrate diurnal variation. Recommended cytokine levels be determined at the same time of day for improved longitudinal comparison.
Do not thaw. Cytokine levels may demonstrate diurnal variation. Recommended cytokine levels be determined at the same time of day for improved longitudinal comparison.
Transport Temperature
Frozen
Specimen Stability
Room temperature: 24 hours
Refrigerated: 48 hours
Frozen: 7 months
Refrigerated: 48 hours
Frozen: 7 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature • Received refrigerated • Gross hemolysis
Methodology
Immunoassay (IA)
Setup Schedule
Thursday
Report Available
Report available: 6-13 days
Clinical Significance
To evaluate the level of IL-6 in serum samples.
IL-6 is a protein cytokine that serves as a messenger that activates the immune system against foreign invasion and may help the body against the spread of cancer. Performing Laboratory Quest Diagnostics Nichols Institute San Juan Capistrano, CA
IL-6 is a protein cytokine that serves as a messenger that activates the immune system against foreign invasion and may help the body against the spread of cancer. Performing Laboratory Quest Diagnostics Nichols Institute San Juan Capistrano, CA
