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HelpCatalog ID SLA IgG Soluble Liver Antigen Antibody, IgG
Additional Codes
CPOE: Ref Soluble Liver Antigen Antibody, IgG
DOE: Ref SLA IgG
Specimen
Gold SST tube, collect 2.0 mL blood
Serum, 1.0 mL (0.3 mL minimum), refrigerated
Rejection Criteria
Plasma, other body fluids, contaminated specimen, heat-inactivated specimen, hemolyzed specimen, lipemic specimen, insufficient quantity, specimen at room temperature >48 hours
Interpretative Information
The presence of SLA antibodies has almost 100% specificity for autoimmune hepatitis, although only 12-30% have these antibodies. Thus, a negative SLA IgG test does not rule out autoimmune hepatitis.
Performing Lab
ARUP Laboratories
Turn-Around-Time
1 - 4 days (performed on Sundays, Tuesdays, and Thursdays)
Reference Values
| 0.0-20.0 U | Negative |
| 20.1-24.9 U | Equivocal |
| Greater than or equal to 25.0 U | Positive |