Soluble Liver Antigen Antibody, IgG
SLA, ARUP #55235, EPIC: LAB6858, SOFT: XSLAG
Specimen Collection Criteria
Collect (preferred specimen): One Gold-top SST tube.
Also acceptable: One plain Red-top tube.
Physician Office/Drawsite Specimen Preparation
Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).
Preparation for Courier Transport
Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Min: 0.3 mL)
- Hemolyzed specimens.
- Lipemic specimens.
- Specimens not collected and processed as indicated.
Specimen Stability for Testing:
Room Temperature (20-26°C or 68-78.8°F): 48 hours
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 1 year
Specimen Storage in Department Prior to Disposal:
Specimen retention time is determined by the policy of the reference laboratory. Contact the Sendout Laboratory with any questions.
Sent to ARUP Laboratories, Salt Lake City, UT.
Sunday, Tuesday, Thursday.
Results available in 2-5 days.
Negative: 0.0-20.0 U.
Equivocal: 20.1-24.9 U.
Positive: Greater than or equal to 25.0 U.
Semi-Quantitative Enzyme-Linked Immunosorbent Assay.
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.
ARUP #55235, EPIC: LAB6858, SOFT: XSLAG
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This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills,
Grosse Pointe, Royal Oak, and Troy campuses.