For those of you who have been tested for CD57: LINK What were your results? Have you ever tested positive for Lyme, too? I never have (though some test results are still pending). Yet, my result is 72. And, that's after being on CAP for 2 years, now: >200 is normal < 20 severe illness 0-60 is seen in chronic Lyme disease > 60 Lyme activity indicates improvement RRMS, diagnosed 2/04. NAC 4/06.