INTERLEUKIN 1 BETA, SERUM

Specimen Required
Draw blood in a SST. Centrifuge, remove serum from cells within 2 hours of collection and send 1.0 mL serum (0.4 mL) frozen in a screw-capped plastic vial. CRITICAL FROZEN.

Alternate Specimen
Serum: Plain red

Rejection Criteria
Refrigerated specimens, heat-inactivated specimens

Methodology
Quantitative Multiplex Bead Assay

Stability
Room temperature: 30 minutes; Refrigerated: Unacceptable; Frozen: 1 year

Reference Range
<= 6.7 pg/mL
Cytokine levels may demonstrate diurnal variation. For longitudinal comparison, it is recommended that cytokine levels be determined at the same time of day.

Performed
Sunday-Saturday

Turnaround Time2-5 days
Test CodeINT1G
CPT-4 Code (s)
83520
LOINC Codes
Interleukin 1 beta   13629-1  

Warde
Medical
Laboratory