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Lab Test Dictionary

IL-18 and IL-18BPa (7453047)

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