If a person experiences joint pain and tests positive for an antinuclear antibody (ANA) test, this may suggest the presence of an underlying condition causing joint problems and discomfort. An ANA ...

As the world continues to navigate the aftermath and lingering presence of COVID-19, one question remains as relevant as ever: Which COVID-19 test is right for me—diagnostic or antibody? Whether ...

Please provide your email address to receive an email when new articles are posted on . This is the first classification criteria revision for antiphospholipid syndrome since 2006. The new guidelines ...

NEW YORK (Reuters) - U.S. health insurers may balk at covering tests that look for coronavirus antibodies in some cases, arguing that employers or the government should foot a bill expected to run ...

The hepatitis A virus (HAV) antibody (AB) total test identifies both types of antibodies that the body produces in response to HAV infection. A reactive result means the test has detected HAV ...

The positive predictive value (PPV) of myositis antibodies for diagnosing myositis and its related conditions differs by individual antibody type. Greater diagnostic accuracy is associated with ...