Anti-dsDNA ab (Farr Assay)

Optimal Result: 0 - 8 IU/ml.

The Anti-dsDNA antibody test, particularly the Farr assay, is a highly specific diagnostic tool pivotal in the evaluation and management of systemic lupus erythematosus (SLE), a complex autoimmune disorder. Double-stranded DNA (dsDNA) antibodies are a type of antinuclear antibody (ANA) that specifically target the DNA within the cell nucleus. These antibodies are considered one of the hallmark indicators of SLE, with their presence being a key criterion in the diagnosis of the disease.

The Farr assay, a radioimmunoassay, is renowned for its high specificity in detecting anti-dsDNA antibodies. This assay utilizes radiolabeled DNA to capture antibodies from a patient's serum. The bound antibodies are then measured, providing a quantitative assessment of the anti-dsDNA antibodies present. A positive Farr assay is strongly indicative of SLE, as these antibodies are rarely found in healthy individuals or those with other autoimmune disorders.

The presence and levels of anti-dsDNA antibodies, as determined by the Farr assay, are not only critical in confirming a diagnosis of SLE but also invaluable in monitoring the disease's activity and severity. Fluctuations in the levels of these antibodies often correlate with disease flare-ups and remissions, making them a useful marker in assessing response to treatment and guiding clinical decision-making.

For patients suspected of having SLE, or for those managing the condition, the Anti-dsDNA antibody test via the Farr assay is a crucial component of the diagnostic and monitoring process. It provides clarity in distinguishing SLE from other autoimmune conditions and helps in tailoring individualized treatment plans.

10 000+ happy customers
100% satisfaction
★ ★ ★ ★ ★ customer support

Trust us to examine your lab results, guiding you towards improved health.

Use promo code to save 10% off any plan.

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.