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N20.0

Billable

Calculus of kidney

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

What This Code Means

A kidney stone is a hard mineral deposit that forms in the kidney and can cause pain and urinary obstruction.

Coding Tips

  • •Document the laterality (right, left, or bilateral) when available
  • •Note if the stone is causing obstruction, as this may affect treatment decisions

Code Hierarchy

└N20Calculus of kidney and ureter└N20.0Calculus of kidney
└N20.0Calculus of kidney

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