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N28.85

Billable

Pyeloureteritis cystica

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

What This Code Means

A chronic inflammatory condition affecting the kidney and ureter where small cysts form in the tissue lining these structures.

Coding Tips

  • •This is a rare condition often discovered incidentally on imaging; ensure clinical documentation supports the diagnosis before coding
  • •Do not confuse with simple renal cysts (N28.1) which are benign fluid-filled sacs without inflammation

Code Hierarchy

└N28Other disorders of kidney and ureter, not elsewhere classified└N28.8Other specified disorders of kidney and ureter└N28.85Pyeloureteritis cystica
└N28.85Pyeloureteritis cystica

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