A member asked:

Is rheumatoid factor igm, quantitative a blood test to determine if you've had salmonella? thank you. jodi?

A doctor has provided 1 answer
Dr. Karna Gendo answered

Specializes in Allergy and Immunology

Rheumatoid factor (RF) is an antibody that can be found in the blood of some people with rheumatoid arthritis (RA) and other autoimmune diseases. RF can also be elevated in certain infections: "Rheumatoid factor existed in high frequency and high titre among patients with salmonella" https://doi.org/10.1016/0035-9203(72)90059-4

Answered 3/24/2023

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