Rheumatoid Factor Panel
Health Checkups
≈ ¥20-50
(≈ $3-7)
2 hr
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Description
Estimated cost for Rheumatoid Factor Panel at general public hospitals in China is about ¥15-40, and at Grade 3A hospitals about ¥20-50, varying by hospital tier and region.
Main Uses
The Rheumatoid Factor (RF), C-Reactive Protein (CRP), and Erythrocyte Sedimentation Rate (ESR) tests, collectively known as the 'Rheumatology Panel' or 'Rheumatism Three', are primarily used to diagnose and monitor the progression of autoimmune and inflammatory conditions such as rheumatoid arthritis, systemic lupus erythematosus, and infections. They help in assessing the level of inflammation and guiding treatment decisions.
Normal Range
The Rheumatoid Factor (RF) should be <20 IU/mL, C-Reactive Protein (CRP) should be <1.0 mg/dL, and Erythrocyte Sedimentation Rate (ESR) for men is 0-15 mm/hr and for women is 0-20 mm/hr.
Low Values - Possible Causes
Low values are generally not of clinical concern; however, in rare cases, they might indicate an underactive immune system, certain genetic factors, or the absence of inflammatory or autoimmune conditions.
High Values - Possible Causes
High RF can be due to rheumatoid arthritis, Sjögren's syndrome, lupus, or other autoimmune diseases. Elevated CRP levels may indicate inflammation, infection, or cardiovascular disease. A high ESR could suggest inflammation, infection, cancer, or autoimmune disorders.