Other than cancer, what would cause microscopic blood in the urine?

Many possibilities : Blood in the urine can be caused by a cancerous tumor, a bladder polyp, an infection, interstitial cystitis, a kidney stone, and kidney disease. Additionally, blood can also be present on a urinanalysis from extra-urinary sources such as vaginal orrectal bleeding.

Blood urine: Infection, blood thinner (aspirin, coumadin) blood disorders, cancer.

Microhematuria: One of the most common referrals for urologic evaluation. Infection, kidney stones, enlarged prostate, blood thinner use, and many other issues can cause this condition. If persistent then you need to see a urologist for evaluation.

Lots of things: You should get it checked out. Most causes are benign. Small stones, cysts in the kidneys, maybe a mild uti.

Stones!: Kidney stones, infections, or other kidney diseases can cause blood in the urine.

Many causes.: There are numerous causes of micro-hematuria, but the ones we worry about the most are kidney and bladder cancer. Microscopic bleeding can be caused by stones, infection, trauma, etc. For more info, go to website and click on patient videos where you will find one on hematuria: www.Bergenurological.Com.