Other lower urinary tract calculus

This code signifies the presence of a calculus (stone) within the lower urinary tract, specifically in locations other than the bladder, urethra, or ureter. This includes stones found in the prostatic urethra, ejaculatory ducts, or seminal vesicles.

Use this code when documentation clearly indicates a calculus in a lower urinary tract location not otherwise specified or coded elsewhere. This is appropriate when the stone is identified in areas like the prostatic urethra or seminal vesicles, and not explicitly in the bladder (N21.0), urethra (N21.1), or ureter (N20.1).

• Ensure documentation specifies the exact location of the calculus to differentiate from bladder, urethral, or ureteral stones.
• Do not use this code if a more specific code for bladder (N21.0) or urethral (N21.1) calculus is applicable.
• Consider any associated symptoms or complications, such as obstruction or infection, and code them additionally.