Mayo Clinic Health Library

Kidneys and urinary system

  • Blood urea nitrogen (BUN) test

    Blood urea nitrogen (BUN) test — Overview covers definition, preparation and results of this blood test.

  • Cystoscopy

    Cystoscopy — Overview covers definition, risks, results of this procedure to examine your bladder.

  • Intravenous pyelogram

    Intravenous pyelogram — Overview covers definition, what to expect and results of this imaging test.

  • Kidney biopsy

    Kidney biopsy — Overview covers definition, risks, results for this procedure to examine kidney tissue.

  • Urinalysis

    Urinalysis — Overview covers definition, preparation and results of this common laboratory test.

Site view: at a glance