Test Code FIL6SM Interleukin 6, Plasma
Additional Codes
MAYO: IL6
EPIC: LAB332
Specimen Required
Collection Container/Tube: Lavender-top (EDTA)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Immediately after specimen collection, place the tube on wet ice.
2. Centrifuge at 1500 x g for 10 minutes and aliquot plasma into plastic vial.
3. Freeze specimen within 30 minutes.
Secondary ID
63020Useful For
Evaluation of patients with suspected systemic inflammation associated with infections, autoimmunity, and cancers
Method Name
Electrochemiluminescence (ECL)
Reporting Name
Interleukin 6, PSpecimen Type
Plasma EDTASpecimen Minimum Volume
0.3 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Plasma EDTA | Frozen (preferred) | 21 days | |
Refrigerated | 24 hours |
Reject Due To
Gross hemolysis | OK |
Gross lipemia | Reject |
Gross icterus | OK |
Heat-treated specimen | Reject |
Reference Values
≤1.8 pg/mL
Day(s) Performed
Monday, Wednesday, Friday
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. This test has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
83529
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
IL6 | Interleukin 6, P | 26881-3 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
63020 | Interleukin 6, P | 26881-3 |