Methodology
Automated microfluidic immunoassay method
Synonyms
ALPS Biomarker (IL-18); Interluekin 18; IL18
Specimen Type
Serum
Performing Lab
Cincinnati Children's Diagnostic Immunology
Epic ID
LAB080802
Lab Test Days
Every Week
Standard TAT
2 Weeks
Collection Information
Specimen Required
1-3 mL Blood
Container Type
Red-Top Tube
Processing Information - Lab Use Only
Transport Temperature
Frozen Only
Specimen Stability
Room Temp: 48 Hours; Refrigerated: 48 Unacceptable; Frozen: 6 Months
Rejection Criteria
Whole blood sent frozen; Blood collected in wrong container/tube type; Separated serum sent room temperature or refrigerated
Test Volume Required
(x2) 0.2 mL Serum
Minimum Test Volume
(x1) 0.2 mL Serum
Processing Instructions
Complete Cincinnati Diagnostic Immunology requisition and submit with specimen frozen Monday-Thursday only, no weekends or holidays.
CPT Codes
83520
Revised
1/14/25
Initials
SA