Test Code IL1B Interleukin-1 Beta, Plasma
Ordering Guidance
If this test is ordered with CYPAN / Cytokine Panel, Plasma, this test will be canceled as duplicate and CYPAN performed as ordered.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Lavender top (EDTA)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Immediately after specimen collection, place tube on wet ice.
2. Centrifuge at 4° C, 1500 x g for 10 minutes.
3. Aliquot plasma into plastic vial.
4. Freeze specimen within 2 hours of collection.
Additional Information:
1. Plasma for this test cannot be shared with other tests. Submit specimen for this test in its own vial.
2. This test cannot be added on to a previously collected specimen.
Useful For
Measuring the concentration of interleukin-1 beta in plasma
Evaluating patients experiencing inflammatory conditions, autoinflammatory disorders, and infection
Method Name
Bead-Based Multiplex Immunoassay
Reporting Name
IL-1 Beta, PSpecimen Type
Plasma EDTASpecimen Minimum Volume
0.3 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Plasma EDTA | Frozen | 21 days |
Reference Values
<18 years: Not established
≥18 years: <20.0 pg/mL
Day(s) Performed
Tuesday
Report Available
2 to 8 daysPerforming Laboratory

Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
83520
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
IL1B | IL-1 Beta, P | 13629-1 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
622327 | IL-1 beta | 13629-1 |