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N28.81

Billable

Hypertrophy of kidney

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

What This Code Means

Abnormal enlargement of kidney tissue, which may occur as a compensatory response when the other kidney is damaged or removed.

Coding Tips

  • •Document whether hypertrophy is unilateral or bilateral and if it is compensatory in nature
  • •Distinguish from hydronephrosis or other causes of kidney enlargement

Code Hierarchy

└N28Other disorders of kidney and ureter, not elsewhere classified└N28.8Other specified disorders of kidney and ureter└N28.81Hypertrophy of kidney
└N28.81Hypertrophy of kidney

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