Latex agglutination test

The test depends on what type of sample is needed. Saliva Urine Blood Cerebrospinal fluid ( lumbar puncture ) The sample is sent to a lab, where it is mixed with latex beads coated with a specific antibody or antigen. If the suspected substance is present, the latex beads will clump together (agglutinate). Latex…

Your health care provider may tell you to limit certain foods or medicines shortly before the test. Follow instructions on how to prepare for the test.

This test is a quick way to find out if an antigen or antibody is present or not. Your provider will base your treatment, in part, on the results of this test.

Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or test different samples. Talk to your provider about the meaning of your specific test results.

If there is an antigen-antibody match, agglutination will occur.

The risk level depends on the type of test. URINE AND SALIVA TESTS There is no risk with the urine or saliva test. BLOOD TEST Veins and arteries vary in size from one person to another and from one side of the body to the other. Getting a blood sample from some people may be more difficult than from others. Other…

Aoyagi K, Ashihara Y, Kasahara Y. Immunoassays and immunochemistry. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods . 24th ed. Philadelphia, PA: Elsevier; 2022:chap 45.