Blood in Urine and Kidney Stones: What Urologists Say You Need to Know The most common misconception about blood in urine and kidney stones is that visible blood always indicates a more serious condition than microscopic blood. This is not reliably true. While kidney stones are a common cause of hematuria, other causes including bladder cancer, kidney tumor, and urinary tract infection must be ruled out through proper investigation before assuming stones are responsible. https://articlescad.com/blood-in-urine-and-kidney-stones-what-urologists-say-you-need-to-know-290235.html