Indicator Explainer
Anti-Ro Antibody
An antinuclear antibody directed against 52 or 60 kDa RNA-binding proteins in the nucleus. They can be associated with multiple autoimmune disorders, primarily Sjogren syndrome and system lupus erythematosus. Maternal anti-Ro antibody positivity can be associated with neonatal lupus.
This page explains what the indicator is and how results are interpreted in general terms. Reference ranges depend on the laboratory, the method, and your own situation — no single “normal value” applies to everyone. This page is health information, not a diagnosis. For symptoms, treatment, or urgent concerns, contact a healthcare professional.
When it is tested
Source: National Cancer Institute, NCI Thesaurus 26.09d, C121322. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-20. No individual clinical interpretation or human reviewer is asserted.
Reading results
Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.
Also Known As
References
- NCI Thesaurus 26.09d — Anti-Ro Antibody (C121322)
- Source: National Cancer Institute, NCI Thesaurus 26.09d, C121322. NCI definition, reproduced without modification under CC BY 4.0.
- Adjunctive Molecular Hydrogen Therapy Modulates T Cell Markers and Reduces Anti-Ro Antibody in Refractory Oral Ulcers of Behçet's Disease and Sjögren's Syndrome: A Case Report. — In Vivo, 2026-03-01 (PMID 41760342; literature)
- Long-Term Outcomes of Children Born to Anti-Ro Antibody-Positive Mothers With and Without Rheumatic Disease. — Arthritis Care Res (Hoboken), 2025-03-15 (PMID 39981584; literature)
- Role of the anti-RO/SSA antibody in patients with systemic lupus erythematosus. — Reumatol Clin (Engl Ed), 2025-03-01 (PMID 40316394; literature)
- Complete Congenital Heart Block in the Offspring of an Asymptomatic Woman with Isolated High Titer Anti-Ro Antibody. — Acta Med Philipp, 2024-01-26 (PMID 38939855; literature)