This is great news for you. I kinda wanted to reassure you a bit too. Healthy can have positive ANA's and at high levels.
My daughter has had a Positive ANA since she was 7 years old, she's now 21 and her number is exactly the same as yours. I can't tell you how many times I've had her in to see the pediatric Rheumy and then I took her to mine, and then back again. Yes, she does have a couple of the symptoms of lupus but still nothing and no diagnosis yet and hopefully never.
I'd recommend you forge with your life and enjoy it and just remember back way back in your mind that you do have a positive ANA and IF you start showing symptoms, as to be seen by a Rheumy and get tested again.
this is good news for you.
DX- RA, Lupus, Fibro, LGL Leukemia, Obstructive & Central Sleep Apnea, Pulmonary Hypertension, Bells Palsy, Gastroparsis, Blood Clots, Glaucoma, Chronic Pericarditis & Pleurisy, Severe Anemia. Way to many medications to list.