Kidney Biopsy- A doctor may take some sample tissue from the kidney to be sent to a lab for tests. This usually determines whether the patient has IgAN

Urine Analysis- A doctor may take urine samples. A urine test is used for early diagnosis of IgAN or other kidney related diseases. The red flag for such diseases include protein or blood in the urine.

Blood Test- Blood tests can indicate signs of kidney failure if creatinine levels are high in the blood.

Diagnosis of IgAN

The following are methods of diagnosing IgAN: