Recommended for the evaluation of autoimmune liver disease or hepatitis of unknown etiology.
Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Sun, Tue, Thu
Serum separator tube.
Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL)
Contaminated, heat-inactivated, hemolyzed, or lipemic specimens.
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
|Greater than or equal to 25.0 U||Positive|
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.
|Component Test Code*||Component Chart Name||LOINC|
|0055235||Soluble Liver Antigen Antibody, IgG||38420-6|