A member asked:

Both knee pain since 1.5 yr. mri ok.now left hand elbow and finger joints burning.ra factor8.6iu/ml.esr/rpr/aso/crp/uric acid normal.possible reasons?

A doctor has provided 1 answer
Dr. Saptarshi Bandyopadhyay answered

Specializes in Hospital-based practice

Unclear polyarthriti: The RF (Rheumatoid factor) assay -which is, I assume the "RA factor"- varies widely from lab to lab, so I am not sure if 8.6 IU/mL is in the reference range or not (the lab should give both the result and the ref range). It's best to talk to a rheumatologist about your symptoms. It sounds complex. There are forms of arthritis which don't show up on blood tests (seronegative); you may have 1 of tho

Answered 11/5/2015

2k views

Thank

Related Questions

Online Primary Care Doctors Accepting New Patients

$44 video appointments available today with a membership as low as $15/month

Book a Video Appointment
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

Meet your new favorite doctor
...