Rnp result 1.2, sed normal, crp 5.5. no symptoms other than upper back and shoulder pain occasionally. no rashes, swollen fingers. thoughts?

See details: You do not list your age but osteoarthritis may be a likely cause. Since you do not list the units of the CRP, I have no way of telling if that value is normal or not. Try to offer more specific information so an accurate answer can be provided.

Why the tests?: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Talk to the doctor who ordered the tests. Having said that, it would have helped to know the units of measure of CRP, it may be elevated suggesting inflammation. Wish you good health! - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex.

Inflammation tests: Both RNP and CRP are slightly elevated, suggesting some inflammation, but are not diagnostic for connective tissue disease unless ANA is positive above 3 . If pain is only intermittent, pain meds and PT may be the route to go instead of further testing unless you have more symptoms. See the flow chart: https://www.mayomedicallaboratories.com/it-mmfiles/Connective_Tissue_Disease_Cascade__CTDC_.pdf