A positive ANA is simply an indicator that you may need to do more investigation. By itself, it doesn't mean you have Lupus, nor does it mean you do NOT have Lupus.
Here is a link that talks a little bit more about
the ANA www.lupusresearchinstitute.org/lupus/lupus_diagnosis/ana_test
Lynnwood, Lupus & Sjogren's Moderator, Dx: 2000DIAGNOSING LUPUS & HW's LUPUS 101
"Life is far too important to be taken seriously." - Oscar Wilde