Immunity Issues

I have had major health issues since I was born, I was a very sickly child. You name it and I practically have that condition, including numerous neurological conditions. Just recently lab work, that I don't think was ever done before, showed I am IgA (?) deficient. The doctor says that explains some of my autoimmune issues. I just found out my Antineuronal Cell AB is way out of range. I have lymphedema above my clavicles and no cause has been found for it. My CBC tests have been abnormal for about two years.

I am having difficulty understanding what is going on, if I am not getting treatment I should, etc.