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Anti-SSA (Ro)

Anti-Ro Ro60 SSA Antibody
Serum (SST) Positive/Negative or U/mL

About this test

Autoantibody against Ro ribonucleoprotein. Found in Sjögren's syndrome and SLE. Crosses the placenta and can cause neonatal lupus and congenital heart block.

Reference Ranges

Sex Age Range Notes
All ≥ 18 yrs See notes Positive or Negative (quantitative values lab-specific)

Clinical Interpretation

Low / Decreased
Negative reduces probability of Sjögren's and primary Sjögren's-associated complications.
High / Increased
Sjögren's syndrome, SLE, neonatal lupus (maternal antibody), subacute cutaneous lupus.

Related Tests

Anti-dsDNA Anti-SSB (La)
Specimen
Serum (SST)
Reporting Unit
Positive/Negative or U/mL
Category
🛡️ Immunology

⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.