Quantitative determination of IgA rheumatoid factor by FEIA method for the diagnosis and monitoring of rheumatoid arthritis. An important marker of autoimmune processes with high clinical significance.
Perinuclear antineutrophil cytoplasmic antibodies (pANCA) are an important marker for the diagnosis of vasculitis and inflammatory bowel diseases, particularly ulcerative colitis. The test is performed using immunofluorescence, with a turnaround time of 3-5 business days.