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Your May Issue: ANA Screen, IFA, Reflex Titer/Pattern

Explore test options to help diagnose autoimmune rheumatic diseases
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Autoimmune Rheumatic

Information provided by Quest Diagnostics

ANA Screen, IFA, Reflex Titer/Pattern

Autoimmune rheumatic diseases are conditions in which the immune system attacks the joints and certain systems. They are often difficult to diagnose, as their symptoms can be vague, vary from patient to patient, and often overlap. Laboratory testing can provide useful information, but no single test provides a definitive diagnosis for any one rheumatic disease.

Diagnosis is most often based on a compilation of symptoms and signs, including clinical information and laboratory test results. Testing for antinuclear antibodies (ANAs) using an immunofluorescence assay (IFA) is a good first approach for laboratory evaluation of patients suspected of having certain autoimmune rheumatic diseases.


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The posting of sponsored information and content on this page should not be considered an AAFP endorsement or recommendation of the sponsor's products, services, policies, or procedures. The information and opinions expressed on this page are those of the paid sponsors and do not necessarily reflect the view of AAFP. AAFP is not responsible for the content of third party websites that are linked from this page; moreover, any links on this page to third party websites where goods or services are advertised are not endorsements or recommendations by AAFP of the third party sites, goods, or services.

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