Methodology
Automated Microfluidics Immunoassay
Synonyms
IL18; ALPS Biomarker; Interleukin 18; Interleukin 18 binding protein; IL18bp
Specimen Type
Serum
Performing Lab
Cincinnati Children's Diagnostic Immunology
Epic ID
Other Reference Test
Lab Test Days
Every Week
Standard TAT
2 Weeks
Collection Information
Specimen Required
1-3 mL Blood
Container Type
Red Top (No Additive)
Processing Information - Lab Use Only
Specimen Stability
Room Temp: 48 Hours for whole blood; Refrigerated: Unacceptable; Frozen: Unacceptable for whole blood (6 Months for serum)
Rejection Criteria
Whole blood sent refrigerated or frozen; Serum sent room temp or refrigerated
Test Volume Required
3 mL Whole Blood or (two) 0.2 mL Serum
Minimum Test Volume
1 mL Whole Blood or (one) 0.2 mL Serum
Processing Instructions
Complete a Cincinnati Children's Diagnostic Immunology requisition and submit with whole blood room temp within 48 hours of collection or with serum frozen Monday-Thursday only, no weekend or holidays. If sending frozen serum, separate serum from cells within 48 hours of collection.
CPT Codes
83520 (x2)
Revised
3/28/23
Initials
SA