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N13.30

Billable

Unspecified hydronephrosis

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

What This Code Means

Swelling of the kidney due to urine backup, but the specific cause is not documented or identified.

Coding Tips

  • •Use this code only when the cause of hydronephrosis is truly unspecified or unknown
  • •Query the provider if additional diagnostic workup results are available that would specify the cause

Code Hierarchy

└N13Obstructive and reflux uropathy└N13.3Other and unspecified hydronephrosis└N13.30Unspecified hydronephrosis
└N13.30Unspecified hydronephrosis

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