I also had positive ANA but I can't remember it being part of the batch of tests for MS diagnosis, I was tested for ANA following a number of miscarriages.
Either way I asked my Neuro about ANA+ and they said it can be + sometimes and they didn't focus on it......
RR-MS dx 1998 and Coeliac dx 2003
Copaxone, Cymbalta. EPO, Fish Oils, Vitamin D3 2000 IU daily, Cal/Mag/Zinc, Multivitamin/mineral, Co-Enzyme Q10, Probiotics, Milk Thistle.