Methodology
Chemiluminescence
Synonyms
HLH; Interleukin 2R; Soluble IL2R; SCD25
Specimen Type
Whole Blood or Plasma or Serum
Performing Lab
Cincinnati Children's Diagnostic Immunology
Epic ID
LAB04024
Lab Test Days
Monday-Friday
Standard TAT
2 Days
Collection Information
Specimen Required
1-3 mL Whole Blood
Container Type
EDTA (Lavender-Top) Tube
Collection Instructions
Plasma collected in an EDTA (lavender-top) tube or Serum collected in a (red-top)/gold serum separator tube (SST) is also acceptable if approved by the ordering provider. Provider preferred sample type for test is whole blood. For preferred sample type as whole blood, collect Monday-Thursday 0800-1300 only, no weekends or holidays. Plasma or serum have a longer stability and can be stored until sample can be shipped (if approved by ordering provider).
Processing Information - Lab Use Only
Transport Temperature
Room Temp-OK/Refrigerated-OK/Frozen-OK
Specimen Stability
Room Temp: 24 Hours; Refrigerated: 24 Hours; Frozen: 6 Months (Plasma only)
Rejection Criteria
Whole blood sent frozen; Blood collected in wrong container/tube type; Plasma/serum sent room temp or refrigerated.
Test Volume Required
3 mL Whole Blood or (two) 0.5 mL Plasma or Serum
Minimum Test Volume
1 mL Whole Blood or (one) 0.5 mL Plasma or Serum
Processing Instructions
Provider preferred sample type for test is whole blood. For preferred sample type as whole blood, collect Monday-Thursday 0800-1300 only, no weekends or holidays. Plasma or serum have a longer stability and can be stored until sample can be shipped (if approved by ordering provider). Complete an Cincinnati Children's Diagnostic Immunology requisition and submit with whole blood sample room temp or plasma/serum frozen.
CPT Codes
83520
Revised
8/31/23
Initials
SA