N20

Calculus of kidney and ureter

Non-billableCategory

Coding Guidelines

Inclusion Terms

  • Calculous pyelonephritis

Excludes1 (Mutually Exclusive)

These codes should never be used together with N20

  • E83.59 - nephrocalcinosis (E83.59)
  • N13.2 - that with hydronephrosis (N13.2)

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