The Infectious Diseases Society of America (IDSA) and the European Association of Urology (EAU) definitions for asymptomatic bacteriuria:
For asymptomatic female adults: bacterial growth ≥ 105 colony-forming units (CFU) / ML isolated from 2 consecutive voided urine specimens
For asymptomatic male adults: bacterial growth ≥ 105 CFU/mL isolated from a single voided urine specimen
For asymptomatic adults with catheters: bacterial growth ≥ 105 CFU/mL isolated from a single catheterized urine specimen