Orderable Name IL6DX Interleukin-6, Serum
Additional Codes
CNE Order Code: Interleukin 6
Specimen Required
Collection Container/Tube: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and aliquot serum into plastic vial
Useful For
Evaluating patients with suspected chronic inflammatory disorders, such as rheumatoid arthritis, systemic lupus erythematosus, ankylosing spondylitis, or inflammatory bowel disease
Evaluating patients with Castleman disease
Evaluating patients with suspected systemic infection
Evaluating patients with suspected localized infection, specifically prosthetic joint infection
Assisting in identifying severe inflammatory response in patients with confirmed COVID-19 illness to aid in determining the risk of intubation with mechanical ventilation, in conjunction with clinical findings and the results of other laboratory testing
Method Name
Immunoenzymatic
Specimen Type
SerumSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 14 days | |
Frozen | 90 days | ||
Ambient | 24 hours |
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Gross icterus | Reject |
Reference Values
< 6.4 pg/mL
Day(s) Performed
Monday through Saturday
Report Available
1 to 3 daysCPT Code Information
83529