ORENUC Classification: EAU standardized categorization for UTI risk factors. Helps tailor diagnostic intensity and antibiotic duration.
Ordinary
Healthy, non-pregnant woman
Recurrent UTI
≥3 episodes/year, no other risk
Extra-urogenital Risk
Diabetes, pregnancy, immunosuppression
Nephrological Risk
Renal insufficiency or parenchymal disease
Urological Risk
Obstruction, stones, neurogenic bladder
Catheter / Institutional
Permanent catheter or long-term care