Bladder Bank (a Prospective Banking Study)

This is a biobanking (sample collection) study for people being evaluated for blood in the urine (hematuria). Researchers collect urine samples to develop and validate tests that could detect bladder cancer earlier and more accurately. **You may be eligible if...** - You are over 18 years old - You have undergone an evaluation for blood in the urine (including CT/ultrasound and/or cystoscopy) **You may NOT be eligible if...** - You have had another cancer in the past 5 years (skin cancers are OK) - You have recurrent muscle-invasive bladder cancer or a prior upper urinary tract cancer - You have received chemotherapy for a non-bladder cancer in the past 5 years - You have had a bladder biopsy in the last 3 days or a urinary catheter in the last 7 days - You have had a urinary tract infection in the last 14 days - You have a chronic indwelling urinary catheter Talk to your doctor to see if this trial is right for you.