Methodology
Enzyme-Linked Immunosorbent Assay (ELISA)
Synonyms
sFasL; ALPS Biomarker (Soluble Fas-Ligand); sFas-Ligand; SFASL
Specimen Type
Whole Blood
Performing Lab
Cincinnati Children's Diagnostic Immunology
Epic ID
Other Reference Test
Lab Test Days
Monday-Friday
Standard TAT
2 Weeks
Collection Information
Specimen Required
1-3 mL Whole Blood
Container Type
Lavender (EDTA)
Collection Instructions
Whole blood or serum collected in a (red-top) or serum separator tube (SST) is also acceptable. For whole blood collection, collect Monday-Thursday 0800-1300 only, no weekends or holidays.
Processing Information - Lab Use Only
Specimen Stability
Room Temp: 24 Hours; Refrigerated: Unacceptable; Frozen: Unacceptable (6 Months for Serum or Plasma)
Rejection Criteria
Whole blood or separated serum/plasma sent refrigerated or frozen
Test Volume Required
3 mL Whole Blood, Serum or Plasma
Minimum Test Volume
1 mL Whole Blood, Serum or Plasma
Processing Instructions
Complete a Cincinnati Diagnostic Immunology requisition and submit with whole blood room temp or serum/plasma frozen Monday-Thursday only, no weekends or holidays.
CPT Codes
83520