ICD-10-CM > N00-N99 > N10-N16 > N13 > N13.7 > N13.72 N13.72 Vesicoureteral-reflux with reflux nephropathy without hydroureter Non-Billable/Non-Specific Codes N13.721Vesicoureteral-reflux with reflux nephropathy without hydroureter, unilateralN13.722Vesicoureteral-reflux with reflux nephropathy without hydroureter, bilateralN13.729Vesicoureteral-reflux with reflux nephropathy without hydroureter, unspecified