What do you mean by 3 + urine routine occult blood?

3 plus signs in urine routine occult blood test refers to a positive occult blood test result in urine routine examination, and three plus signs appear.

Urine occult blood test is a routine urine test method used to detect whether there is blood in urine that cannot be observed by the naked eye. Urine occult blood test determines whether there is blood by detecting hemoglobin in urine. When hemoglobin exceeds a certain amount, the test result will be positive. 3 plus signs in urine occult blood usually indicate that urine contains a certain amount of blood, which may be related to kidney diseases, urinary tract infections, stones, tumors and other factors.