What does urine routine check occult blood mean?

Urine routine examination occult blood refers to urine occult blood in urine routine examination items, mainly to check the number of red blood cells in urine.

Normal results of urine routine examination occult blood should be negative, that is, the number of red blood cells under microscope should not exceed 3. If the subject has positive urine occult blood, it may indicate an increase in the number of red blood cells in urine, mainly common in urinary system infections, kidney stones or tumors. At the same time, strenuous exercise before examination can also lead to positive urine occult blood.

If abnormal urine occult blood occurs during urine routine examination, accompanied by symptoms such as urinary pain and urgency, seek medical advice and take treatment.