ICD-10-CM Code for Urinary Tract Infection (UTI) Diagnosis
In 2025, the primary ICD-10-CM code for a urinary tract infection (UTI) without a specified site is N39.0 — “Urinary tract infection, site not specified.”For more precise documentation, codes like N10 (acute pyelonephritis), N30.00–N30.91 (cystitis), and O23.0 (UTI in pregnancy) should be used, depending on the location and clinical context of the infection. Quick Summary … Read more