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N13.721

Billable

Vesicoureteral-reflux with reflux nephropathy without hydroureter, unilateral

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

What This Code Means

Abnormal backward flow of urine from the bladder into one ureter with permanent kidney damage, but without swelling of the ureter.

Coding Tips

  • •Confirm unilateral involvement; use N13.722 for bilateral cases
  • •Document evidence of reflux nephropathy (kidney scarring or damage) from imaging or clinical findings

Code Hierarchy

└N13Obstructive and reflux uropathy└N13.7Vesicoureteral-reflux└N13.72Vesicoureteral-reflux with reflux nephropathy without hydroureter└N13.721Vesicoureteral-reflux with reflux nephropathy without hydroureter, unilateral
└N13.721Vesicoureteral-reflux with reflux nephropathy without hydroureter, unilateral

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