What does it mean that there is white and red blood cells in urine?

Cells in urine: White blood cells in your urine can be a sign of infection. Your white blood cells are responsible for fighting infections in the body. Red blood cells in the urine is a sign that there is blood in the urine, which can also be a sign of infection, however can also be a sign of renal stones or certain cancers.

Blood cells in urine: It is common to see trace-small amounts of both red blood cells and white blood cells in the urine of women; and this simply means that the sample is contaminated. White blood cells (WBC) in urine is otherwise due to an infection, usually an urinary tract (bladder) infection (uti). Some red blood cells (rbc) can also be seen in uti. Rbcs in the urine are commonly seen with kidney stones.

Blood in urine: Blood is not normally in urine. If there is blood (rbcs and wbcs) in the urine and nothing else abnormal, then blood is entering your urine in some way. Are there symptoms like burning with urine, flank pain, recent infection, etc? In females this is common with recent period. See your doctor for further follow up as this needs to be looked at in a clinical context to be sure everything is good.