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N25.89

Billable

Other disorders resulting from impaired renal tubular function

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

What This Code Means

Other complications from kidney tubule dysfunction not specifically classified elsewhere, such as renal tubular acidosis or Fanconi syndrome.

Coding Tips

  • •This is a catch-all code; use only when a more specific N25 code does not apply
  • •Document the specific tubular dysfunction in the medical record for clarity

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