what means a blood in urine
Blood in the urine is called hematuria. Hematuria can be identified by the presence of pink, red, brown or black urine or by the microscopic presence of blood cells. A urinalysis is used to help determine if the blood is from urinary tract disease or the result of a condition affecting coagulation or bleeding.
Kidney Cancer and Hematuria. Blood in urine can also be a sign of kidney cancer. Risk factors for kidney cancer (also called renal cell carcinoma) include those found with bladder cancer, but it also tends to run in families and there are genetic syndromes which raise the risk.