A lab reported my ANA test result -ve, cut off rate: 1.117, sample rate: 0.198. They used immulite 2000 rai analyzer. Is it standard, reliable report?

It's just a lab. As a pathologist, i'm well-acquainted with the pitfalls of all ANA testing. The real decision is whether to treat your joint pain as lupus or one of its ana-positive variants. Many healthy folks have some ANA on board. The value that's returned from the lab is only one piece of the puzzle in working up rheumatologic disease.