What does urine occult blood 1 plus mean?

1 plus sign of occult blood in urine is mainly refers to hematuria under microscope.

1 plus sign of occult blood in urine refers to 10 red blood cells found under high magnification. Usually, the more plus signs, the more severe the damage to the inherent cells of the kidney. Usually, 1 plus sign of occult blood in urine may be caused by strenuous exercise, severe vitamin K deficiency, insufficient drinking water, high salt diet, etc., which is a normal phenomenon. It may also be related to acute glomerulonephritis, urinary tract infection, urinary system stones, etc.

It is recommended that patients with 1 plus sign of occult blood in urine should improve the examination and actively treat after clarifying the cause.