1 doctor weighed in:

What would cause blood in your urine? I take UTI test negative for UTI but positive for blood?

1 doctor weighed in
Dr. Jack Rubin
Internal Medicine - Nephrology & Dialysis

In brief: Blood in urine

If a UTI is ruled out, blood can come from the kidneys, stones in the ureters, bleeding from the bladder or from glomerular diseases of the kidney.
See a urologist for a diagnosis of any bleeding from the kidney or its outflow tract and bladder. If no source is found, see a nephrologist to see if the glomerulonephritis is the cause of the bleeding. Good luck.

In brief: Blood in urine

If a UTI is ruled out, blood can come from the kidneys, stones in the ureters, bleeding from the bladder or from glomerular diseases of the kidney.
See a urologist for a diagnosis of any bleeding from the kidney or its outflow tract and bladder. If no source is found, see a nephrologist to see if the glomerulonephritis is the cause of the bleeding. Good luck.
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