Wbc cast in urinalysis was 5 and the range should be less than 0. what does that mean?28 yr female

Inflam/infection: Wbc casts in urine (clustering/clumping of white blood cells) often suggest some inflammatory process from your kidneys and/or bladder. Simple urinary tract infections can also do that...Check with your doc who ordered it...

Kidney infection: Wbc casts in urine are a sign of infection of the kidney. You should seek care and treatment to prevent the infection becoming chronic and causing lasting damage to your kidneys.