Sign in →

Test Code SLA Soluble Liver Antigen (SLA) IgG Antibodies, Serum

Additional Codes

Epic Ordering Code LAB3041930
NBS code LBC11791
Service code 37122

Reporting Name

Soluble Liver Antigen Ab, IgG, S

Specimen Type

Serum


Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL Serum

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


National University Hospital-Singapore Note:

NUH Outreach Laboratories:
Specimen Requirements
Submit only one of the following:
Preferred: Yellow Top
Acceptable: Red Top
Processing Requirements
Centrifuge and aliquot serum into a Mayo plastic tube.
Specimen type: Serum
Volume: 0.5 mL
Storage/transport requirements: Refrigerated

Forms

If not ordering electronically, complete, print, and send Gastroenterology and Hepatology Test Request (T728) with the specimen.

Specimen Minimum Volume

Serum: 0.4 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 21 days
  Frozen  21 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK
Heat treated specimens Reject

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Testing Algorithm

For information see First-Line Screening for Autoimmune Liver Disease Algorithm.

Day(s) Performed

Monday

Report Available

2 to 8 days

Reference Values

Negative: <20.0 U

Equivocal: 20.0-24.9 U

Positive: ≥ 25.0 U

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

Evaluation of patients at-risk for autoimmune hepatitis or liver disease of unknown etiology

CPT Code Information

83516

LOINC Code Information

Test ID Test Order Name Order LOINC Value
SLA Soluble Liver Antigen Ab, IgG, S 32219-8

 

Result ID Test Result Name Result LOINC Value
SLA Soluble Liver Antigen Ab, IgG, S 32219-8

Secondary ID

624092

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.
National University Hospital-Singapore Additional Information:

Last updated 29/07/2026