Haematuria is the medical term for blood in the urine. The amount of blood in the urine is usually very small and may only be picked up on special tests. Sometimes people pass enough blood that they will actually see it in their urine. Haematuria always requires tests to investigate it, as it may sometimes be caused by a serious illness. To make the diagnosis of loin pain haematuria syndrome, any serious cause for haematuria must have been ruled out.
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Tests are done to rule out serious causes for these symptoms. Blood tests are done to ensure that the kidneys function normally. Urine is examined to exclude infection. X-rays or scans are usually done to look for stones or other abnormalities. Some people may require a kidney biopsy or renal angiogram if there are pointers to suggest possible inflammation in the kidneys or problems with the blood vessels to the kidney .