50% (half) of patients with visible blood in the urine will have an underlying cause identified but, with non-visible blood in the urine, only 10% will have a cause identified
Although there are many potential causes for blood in the urine, those most often identified are:
bladder infection
cancers of the bladder (pictured), kidney or prostate
stones in the kidneys or bladder
inflammation of the kidneys (nephritis)
urinary tract injuries
blood disorders (e.g. sickle cell disease, clotting disorders, anticoagulant and anti-platelet drugs)
other causes, including less common infections (e,g. TB, schistosomiasis)
a. General blood tests
CBC
KFT
RBS
PSA in Men
b. Urine Analysis
this may show the presence of RBCs in urine along with pus cells if the infection is present.
c. Other specific tests
Urine Cytology for Malignant cells
ultrasound scan KUB Region
CT scan of your abdomen
Specialized evaluation:
Examination under anaesthesia