Test Code SLA Soluble Liver Antigen Antibody, IgG
Clinical Indications
Recommended for the evaluation of autoimmune liver disease or hepatitis of unknown etiology.
Additional Test Codes
Epic Order Name: SOLUBLE LIVER ANTIGEN ANTIBODY, IGG (aka
SLA)
Sunquest Order Code: SLA
Epic Px Code: LAB2998
Specimen Collection Type
Preferred: Gold
Acceptable: Red
Minimum Collection Volume
0.3 mL
Reference Range
Age |
Reference Interval |
0 -17 years |
Not established |
18 years and older |
9.0 - 27.0 ng/dl |
Critical Value
N/A
Interpretation
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.
Rejection Criteria
Contaminated, heat-inactivated, hemolyzed, or lipemic specimens.
Specimen Availability for Add-on Testing
2 Days
Specimen Stability
Refrigerated (preferred): 2 weeks
Ambient: 48 hours
Frozen: 1 year
Day(s) Performed
Sun, Tue, Thu
Performing Lab- Department
TUKHS-BH-Mail Outs
CPT Code
83516
LOINC Code
38420-6
Test Alias
Anti-SLA-LP
Anti-SLA/LP
Additional Information / Notes
N/A