N13.7 - Vesicoureteral-reflux
N13.72 - Vesicoureteral-reflux with reflux nephropathy without hydroureter
N13.721 - Vesicoureteral-reflux with reflux nephropathy without hydroureter, unilateral
N13.722 - Vesicoureteral-reflux with reflux nephropathy without hydroureter, bilateral
N13.729 - Vesicoureteral-reflux with reflux nephropathy without hydroureter, unspecified