висока reumatoid фактор (РФ) Результат випробування позитивні значення референтних. What does high Reumatoid factor (RF) test result positive referent values level mean?

Upper limit of normal Reumatoid factor (RF) test result positive referent values is n/a (U/mL).

Rheumatoid factor can also sometimes be present in normal individuals without diseases. This occurs more frequently in people with family members who have rheumatoid arthritis.

Rheumatoid factor is also present in patients with other conditions, including other connective tissue diseases , some infectious diseases , liver disease, and sarcoidosis.