Urology Coding:
How Many Codes Are Needed for UTI, Hydronephrosis, and Kidney Stone Diagnoses?
Published on Tue Jun 16, 2026
Question: Our urologist diagnosed a patient with an acute urinary tract infection (UTI) and hydronephrosis due to a kidney stone. How do we report these three diagnoses? AAPC Forum Subscriber Answer: Use N13.6 (Pyonephrosis) to report all three conditions happening simultaneously. In the ICD-10-CM Alphabetic Index, search for Hydronephrosis > with > obstruction (by) (of) > renal calculus > with [...]