What does bacteria 3+ mean in the urine sample results?

Not much. : Bacteria in the urine as an isolated event is not very helpful or specific. This could be caused by a poor collection or by actual bacteria in the urine this does not necessarily indicate an infection. Urinary tract infection is usually heralded by pain urgency and frequency of urination

Need to culture: There are enough bacteria in the urine that it warrants performing a urine culture.