Soluble Liver Antigen Antibody, IgG
0055235
Ordering Recommendation
 
Mnemonic
SLA
Methodology
Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Performed
Sun, Tue, Thu
Reported
1-4 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
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)  
Reference Interval
0.0-20.0 U: Negative
20.1-24.9 U: Equivocal
Greater than or equal to 25.0 U: Positive  
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.  
Note
 
CPT Code(s)
83516
Components
Component Test Code*Component Chart Name
0055235Soluble Liver Antigen Antibody, IgG
* 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