Blood in urine: Your doctor will start by taking a medical history and asking what may have caused the appearance of blood in your urine. This will be followed by a test called urinalysis. In this test, a urine sample is analyzed. Urine tests may include urine cytology, which uses a microscope to look for abnormal cells in the urine. Blood tests may also be ordered. If blood contains high levels of wastes that kidneys are supposed to remove, it could be a sign of kidney disease. In addition to urine and blood tests, you may need additional imaging tests. These may include: • Computed tomography (CT) scan. A CT, which is a special X-ray scan, can help identify bladder or kidney stones, tumors, and other abnormalities of the bladder, kidneys, and ureters. • Kidney ultrasound. An ultrasound uses sound waves to create a picture of the kidney's structure. • Intravenous pyelogram (IVP). This is an X-ray of the urinary tract that requires dye. • Cystoscopy. This test involves the insertion of a small tube with a camera into the bladder through the urethra. Tissue samples (biopsy) may be obtained to check for the presence of abnormal or cancerous cells. • Kidney (renal) biopsy. A small tissue sample is removed from the kidney and examined under a microscope for signs of kidney disease
Answered 5/11/2016
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