Re: Blood test came back slightly elevated RA..false positive?
Hi Stacey, it is still possible that you have a form of arthritis. Sero negative arthritis shows normal in blood tests (hence its name serum negative) , there are also other forms of arthritis which don't show up. I had the exact same problem as you two years ago, slightly raised rheumatoid factor but nothing else. Finally turned out many months later that they told me i had fibromyalgia.
Hope you get sorted