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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