INTERLEUKIN-2 RECEPTOR (CD25), SOLUBLE

Specimen Required
Draw blood in a SST. Centrifuge, remove serum from cells within 2 hours and send 1.0 mL serum (0.3 mL minimum) frozen in a screw-capped plastic vial. CRITICAL FROZEN.

Alternate Specimen
Serum: Red-top
Plasma: Lithium heparin

Rejection Criteria
Refrigerated specimens, heat inactivated specimens

Methodology
Quantitative Multiplex Bead Assay

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

Reference Range
<=1033 pg/mL

Performed
Monday, Wednesday, Friday

Turnaround Time3-6 days
Test CodeINT2R
CPT-4 Code (s)
83520
LOINC Codes
76039-7

Warde
Medical
Laboratory