I was diagnosed with positive ANA, rash, fatigue, and joint pains. I've had more develop along the way though.
It depends on if your rheumy bases everything on just the blood test or considers the physical symptoms too. A good rheumy looks at both.
Have you looked at the indicators listed at lupus.org? You need to meet 4 of the 11 indicators to be diagnosed with lupus.
I take B12 and folic acid to help me. I also take biotin and B6.
Oh, by the way welcome to HW.