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Upper Marlboro, MD
A 30-year-old female asked:

My lyme igg/igm ab test came back at .98. the test range is 0-.90. my doctor says this is negative, although it says high on the test. is she right?

2 doctor answers6 doctors weighed in
Dr. Tracy Lovell
Internal Medicine - rheumatology 23 years experience
See below: I would recommend that you confer with your doctor as he or she knows your history and exam well enough in order to interpret a test result. Part of interpreting test results is taking into account the patient and their history.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Tedde Rinker
A Verified Doctoranswered
45 years experience
Merits further tests: With an uncertain test result, a western blot test is appropriate, one that tests for antibodies to several lyme spiroochete body parts, both for igm and igg. Igenex labs in palo alto ca has a very precise western blot test and you can get a blood draw kit with instructions for free (at least your doc can order it) also suggest a cd57 natural killer cell test available through labcorp (only).
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Ronald Krauser
A Verified Doctor commented
A US doctor answered Learn more
It is negative. Believe your doctor.
Aug 13, 2013
Dr. Tedde Rinker
A Verified Doctor commented
A US doctor answered Learn more
Provided original answer
There are hundreds of documented patients who have active Lyme disease yet still test negative on antibody tests, beacause Lyme can suppress the immune system. Possible exposure to ticks in lyme endemic areas, the constellation of symptoms that tend to come & go, and lab testing (which can sometimes be neg in active infections) all help make the diagnosis. A low CD57NK test and a high C4a test are
Aug 14, 2013
Last updated Jul 27, 2019

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