CD 57 is a test that can help your doctor look at certain components of your immune system which can be affected by lyme disease

CD 57 Explained...
A lot of Lyme literate Drs don't use this test, but some still do.
CD 57 is a test that can help your doctor look at certain components of your immune system which can be affected by lyme disease. It can be used to determine if you are suffering from chronic lyme disease despite testing negative in all the other tests.....


 http://www.lymediseaseneogen.com/2012/09/21/cd-57-explained/