Anti-La (SS-B) Ab (RDL)
The Anti-La (SS-B) Antibody test is an important diagnostic tool for autoimmune disorders. This test specifically detects antibodies against the La (or SS-B) antigen, which is another key protein target in certain autoimmune diseases. The presence of Anti-La (SS-B) antibodies is closely associated with Sjögren's syndrome, a condition characterized by dry eyes and mouth due to immune-mediated damage to moisture-secreting glands.
These antibodies are also seen in patients with systemic lupus erythematosus (SLE), though less commonly than in Sjögren's syndrome. The detection of Anti-La (SS-B) antibodies is particularly significant in the diagnosis of Sjögren's syndrome, as they are one of the primary serological markers for the disease. In pregnant women with autoimmune conditions, these antibodies are relevant due to their potential association with complications in the fetus, such as neonatal lupus and congenital heart block, similar to Anti-Ro (SS-A) antibodies. However, as with other autoimmune antibody tests, the presence of Anti-La (SS-B) antibodies should be interpreted in the context of the patient's overall clinical symptoms and other laboratory findings, as they can sometimes be present in individuals without any autoimmune disease.
Lab Results Explained and Tracked
What does it mean if your Anti-La (SS-B) Ab (RDL) result is too high?
Elevated Anti-La (SS-B) antibody levels are primarily indicative of Sjögren's syndrome, serving as a key marker for this autoimmune disorder that affects moisture-secreting glands. They are also associated with Systemic Lupus Erythematosus (SLE), though less frequently than with Sjögren's syndrome. In pregnant women with these antibodies, there is an increased risk of fetal complications, including neonatal lupus and congenital heart block. However, elevated Anti-La (SS-B) levels are not exclusively associated with autoimmune conditions and can be present in some individuals without any autoimmune disease. Therefore, interpreting these levels requires considering the patient's overall clinical symptoms, medical history, and other laboratory findings to ensure an accurate diagnosis and appropriate management.
All Your Lab Results.
One Simple Dashboard.
Import, Track, and Share Your Lab Results Easily
Import, Track, and Share Your Lab Results
Import lab results from multiple providers, track changes over time, customize your reference ranges, and get clear explanations for each result. Everything is stored securely, exportable in one organized file, and shareable with your doctor—or anyone you choose.
Cancel or upgrade anytime
Article Review & Sources
All our content is backed by peer-reviewed studies, academic research, and trusted medical sources. We're committed to accuracy and transparency — see our editorial policy for details.
Laboratories
Bring All Your Lab Results Together — In One Place
We accept reports from any lab, so you can easily collect and organize all your health information in one secure spot.
Pricing Table
Gather Your Lab History — and Finally Make Sense of It
Finally, Your Lab Results Organized and Clear
Personal plans
$79/ year
Advanced Plan
Access your lab reports, explanations, and tracking tools.
- Import lab results from any provider
- Track all results with visual tools
- Customize your reference ranges
- Export your full lab history anytime
- Share results securely with anyone
- Receive 5 reports entered for you
- Cancel or upgrade anytime
$250/ once
Unlimited Account
Pay once, access everything—no monthly fees, no limits.
- Import lab results from any provider
- Track all results with visual tools
- Customize your reference ranges
- Export your full lab history anytime
- Share results securely with anyone
- Receive 10 reports entered for you
- No subscriptions. No extra fees.
$45/ month
Pro Monthly
Designed for professionals managing their clients' lab reports
- Import lab results from any provider
- Track lab results for multiple clients
- Customize reference ranges per client
- Export lab histories and reports
- Begin with first report entered by us
- Cancel or upgrade anytime
About membership
What's included in a Healthmatters membership
Import Lab Results from Any Source
See Your Health Timeline
Understand What Your Results Mean
Visualize Your Results
Data Entry Service for Your Reports
Securely Share With Anyone You Trust
Let Your Lab Results Tell the Full Story
Once your results are in one place, see the bigger picture — track trends over time, compare data side by side, export your full history, and share securely with anyone you trust.
Bring all your results together to compare, track progress, export your history, and share securely.
What Healthmatters Members Are Saying
We implement proven measures to keep your data safe.
At HealthMatters, we're committed to maintaining the security and confidentiality of your personal information. We've put industry-leading security standards in place to help protect against the loss, misuse, or alteration of the information under our control. We use procedural, physical, and electronic security methods designed to prevent unauthorized people from getting access to this information. Our internal code of conduct adds additional privacy protection. All data is backed up multiple times a day and encrypted using SSL certificates. See our Privacy Policy for more details.