Patients with unexplained proteinuria or suspected membranous nephropathy are recommended for testing.

A positive result supports the diagnosis of primary membranous nephropathy and guides treatment decisions.

It suggests absence of PLA2R antibodies, pointing toward secondary causes or other kidney diseases.

No, medications do not interfere with antibody detection.

Without testing, diagnosis may be delayed, and treatment may not be appropriately tailored.

It may be repeated to monitor disease activity or treatment response over time.

No, they are autoimmune in origin, but early detection helps guide therapy.