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0055235
Soluble Liver Antigen Antibody, IgG
SLA
Ordering Recommendation
Recommended for the evaluation of autoimmune liver disease or hepatitis of unknown etiology.
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Collect
Serum separator tube.
Specimen Preparation
Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Contaminated, heat-inactivated, hemolyzed, or lipemic specimens.
Remarks
Stability
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Methodology
Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Performed
Sun, Tue, Thu
Reported
1-4 days
Reference Interval
| Test Number |
Components |
Reference Interval |
|---|---|---|
| Soluble Liver Antigen Antibody, IgG | 24.9 U or less |
Interpretive Data
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 |
Interpretation |
|---|---|
| Soluble Liver Antigen Antibody, IgG | 20.0 Units or less Negative 20.1-24.9 Equivocal 25.0 Units or greater Positive |
Compliance Category
FDA
Note
Hotline History
N/A
CPT Codes
83516
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0055235 | Soluble Liver Antigen Antibody, IgG | 38420-6 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- Anti-SLA-LP
- Anti-SLA/LP
Soluble Liver Antigen Antibody, IgG
