Abbrev Code:IL6B   
Order Code:LAB6626Order Name:Interleukin 6 Blood
Synonyms:IL-6; IL6; Cytokines; Interleukin 6
Methodology:Enzyme-linked immunosorbent assay
CPT Codes: 83529 x1, 83529 x1
Turnaround Time:Performed Mon-Fri; results are reported within 24 hours for COVID-19 patients. All other sample results reported within 3 business days.

Commercial kit validated by the testing laboratory, but not FDA approved for diagnostic use.

Collection Instructions

Optimal Volume:2 mL
Minimum\Peds Volume:1.2 mL
Container:Red (no gel)
Alternate Containers: Purple (EDTA)
Causes for Rejection:Gross hemolysis; stored at room temperature >2 hours.

Processing and Shipping

Specimen Processing:
Plasma sample must be processed immediately. Allow serum samples to clot for 30 minutes from time of collection. Centrifuge serum or plasma for 15 minutes at 1000-1500 g (rcf) at room temperature. Aliquot serum or plasma into two vials with 250 uL per vial. Freeze immediately at ≤ -20°C (-80°C preferred). Contact Cytokine Lab if there is adequate sample for only 1 vial.
Indicate specimen type and COVID status (if applicable) on each sample container.
Shipping Instructions:Ship on dry ice.
Test Performed at or Referral Lab Lab Sendouts  (UMCytokine)


Reference Range:


Less than 3.00 pg/mL



Click HERE to Report test errors or omissions.
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