What can cause kidney pain and blood in urine: not stones or infection eliminated due to testing already done?

Below: The cause of blood in the urine can be from a variety of problems. Tumor, trauma, TB Stones Infection Some types of other problems-ie, sickle cell disease polycystic kidney disease These are only a few of the possibilities, You need to check with your DR for exam and further testing.

Kidney pain, blood in urine: Remember the urinary tract extends from the kidneys to the end of the Urethra. Therefore any vascular abnormality in these territories may induce blood loss.Have you had urine cytology ? to rule out sheded malignant cells?, do you have pain during urination? or lumbar pain? Is the urine, pink or red? Are you also passing blood clots during urination? You require an Urologist and an MRI, do an apo