Lyme Western Blot
The Lyme western blot test is a blood test that checks for IgG and IgM antibodies to Lyme Disease.
Lyme Western Blot FAQ
What is the Lyme Western Blot test?
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Related To The Lyme Western Blot
Lyme Western Blot Test - More Information
This Lyme disease western blot test measures IgG and IgM blood antibody levels to Borrelia burgdorferi. Using an immunoblot methodology, this lab test is typically used to confirm the results when the Lyme disease screening test is positive.
On a Lyme western blot lab report, the IgG and IgM antibody results will be split into different KD bands with a report of reactive or non-reactive in the results column. A reactive result is considered a positive. Per CDC criteria, the Lyme disease IgG immunoblot result should show reactivity to at least five IgG proteins. The IgM immunoblot result should show reactivity to at least two IgM proteins. Regardless, anything positive should be considered in the context of clinical symptoms with the advice of your licensed medical provider.
The western blot methodology uses a process called gel electrophoresis to identify proteins using characteristics such as their length. Sometimes called a protein immunoblot, the western blot is useful as a confirmation blood test modality when initial Lyme screening tests are positive.
To get the Lyme western blot test near you, order online and get your blood drawn at Quest Diagnostics. Once the Lyme western blot lab report is ready, it can be downloaded for further review. As can be seen on the sample Lyme disease western blot lab results provided above, the different IgG bands tested in the western blot will report as reactive or non-reactive.
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