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Anti-Soluble Liver Ag Ab (RDL)

CPT: 83516
Updated on 09/24/2021
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  • Anti-SLA Ab
  • SLA

Expected Turnaround Time

7 - 14 days

7 - 14 days

7 - 14 days

7 - 14 days

7 - 14 days

Related Documents

Specimen Requirements




1 mL

Minimum Volume

0.3 mL (Note: This volume does not allow for repeat testing.)


Red-top tube or gel-barrier tube


Separate serum from cells within one hour of collection. Transfer to a plastic transport tube before shipping. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.

Storage Instructions

Refrigerate or freeze.

Stability Requirements



Room temperature

7 days


14 days


60 days

Freeze/thaw cycles

Stable x1

Causes for Rejection

Grossly hemolyzed; bacterial contamination; lipemic specimen; icteric specimen; non-serum specimen types

Test Details


Anti-SLA antibodies aid in the diagnosis of conditions with elevated levels of SLA antibody including autoimmune hepatitis (AIH), type 2. AIH patients are generally divided into 2 groups based on the presence of specific autoantibodies. AIH type 1 (also referred to as classic, active chronic, lupoid, plasma cell, or autoimmune chronic active hepatitis) is the more common type of AIH.


Enzyme-linked immunosorbent assay (ELISA)

Reference Interval

• Negative: <20 Units

• Equivocal: 20–25 Units

• Positive: >25 Units


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
520114 Anti-Soluble Liver Ag Ab (RDL) 12734-0 520115 Anti-Soluble Liver Ag Ab (RDL) Units 12734-0

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