Posted Date
Effective Date
Update Type
Test Discontinued
CPT Code
83520
Order Code
FSLA
TEST OBSOLETE
Soluble Liver Antigen (SLA) Autoantibody IgG
Order Code: FSLA
Fee Code: AA090 (CPT 83520)
LOINC: 32219-8
Reference Lab: Mayo FSLAA (57735) (Quest Nichols 38928)
Effective July 7, 2026, Mayo Clinic Laboratories test ID FSLAA, referred to Quest Diagnostics SJC, will be obsolete due to availability of Mayo test SLA, Soluble Liver Antigen (SLA) IgG Antibodies, Serum.
Collection Instructions: Collect specimen in a red top or SST tube. Centrifuge, aliquot 0.5 mL serum into a plastic vial and refrigerate.