My rheumatologist doesn't even check my ANA any more. My symptoms (and other blood tests) tell the story, and that's how we decide on treatment options for me. My sed rate and other tests have been 'normal' that past two months, so we assume my lupus is going inactive now (I hope, I hope, I hope!) but she still sees no reason to check ANA again. I'm not sure if that's the right approach, but that's how she's sees it.
"If you trust Google more than you trust your doctor than maybe it's time to switch doctors."