Search or choose
Find the right test or package.
PR3 (c-ANCA)
The PR3 (c-ANCA) test is a blood test that helps diagnose certain autoimmune diseases, such as granulomatosis with polyangiitis (GPA), previously called Wegener's granulomatosis, and other forms of vasculitis (inflammation of blood vessels). It helps measure t...
DiagnosticsLab test
Know more about this test
The PR3 (c-ANCA) test is a blood test that helps diagnose certain autoimmune diseases, such as granulomatosis with polyangiitis (GPA), previously called Wegener's granulomatosis, and other forms of vasculitis (inflammation of blood vessels). It helps...
Understanding PR3 (c-ANCA)
PR3 antibodies are formed when the immune system mistakenly attacks the PR3 enzyme, found inside neutrophils. These antibodies are also called c-ANCA (cytoplasmic antineutrophil cytoplasmic antibodies) due to their staining pattern (diffuse, granular appearance of cytoplasm) during lab tests.
The PR3 (c-ANCA) test helps diagnose autoimmune diseases such as GPA and other forms of vasculitis, monitor disease activity, guide treatment decisions, and rule out other conditions that can cause similar symptoms, such as i...
What does PR3 (c-ANCA) measure?
PR3 (c-ANCA) includes PR3 (c-ANCA).
Related parameters
How does home sample collection work?
Select slot
Pick a convenient time.
Phlebotomist visit
A trained expert arrives home.
Safe testing
Samples move through the lab process.
Digital reports
Reports are delivered online.