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N21.8

Billable

Other lower urinary tract calculus

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Other lower urinary tract calculi refers to stones in the lower urinary system in locations not specifically classified elsewhere, such as multiple sites or unusual locations.

Coding Tips

  • •Use this code for stones in lower urinary tract locations not covered by N21.0 or N21.1
  • •Provide detailed documentation of stone location for clarity

Code Hierarchy

└N21Calculus of lower urinary tract└N21.8Other lower urinary tract calculus
└N21.8Other lower urinary tract calculus

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