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N13.731

Billable

Vesicoureteral-reflux with reflux nephropathy with hydroureter, unilateral

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

What This Code Means

A condition where urine flows backward from the bladder into one kidney, causing kidney damage and swelling of the ureter on that side.

Coding Tips

  • •Confirm both reflux nephropathy AND hydroureter are documented
  • •Specify which side (left or right) is affected based on clinical documentation

Code Hierarchy

└N13Obstructive and reflux uropathy└N13.7Vesicoureteral-reflux└N13.73Vesicoureteral-reflux with reflux nephropathy with hydroureter└N13.731Vesicoureteral-reflux with reflux nephropathy with hydroureter, unilateral
└N13.731Vesicoureteral-reflux with reflux nephropathy with hydroureter, unilateral

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