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Rheumatoid factors are proteins that sometimes mistakenly attack healthy cells and tissues in your body. Not everyone has rheumatoid factors in their blood. If you have high levels of rheumatoid factors, you may have rheumatoid arthritis. This disease can damage your joints and cause pain, swelling, and stiffness. It is a chronic (long-lasting) condition that can affect your organs and cause other symptoms.
55,000 đ
Urea nitrogen is the chief nitrogenous end product of the metabolic breakdown of proteins in your body. It is a waste product that your kidneys remove from your blood. A higher urea level than normal may indicate a kidney problem
22,000 đ
Uric acid is a chemical created when the body breaks down substances called purines. Purines are a product of protein transformation in your body. Elevated uric acid levels in your blood may lead to gout.
28,000 đ
