Where used:
| Data Set | National Renal Data Set - Dialysis | references in description URINE UREA CONCENTRATION | 
| Data Element | URINE UREA CONCENTRATION | references in description URINE UREA CONCENTRATION | 
| Data Set | National Renal Data Set - Dialysis | references in description URINE UREA CONCENTRATION | 
| Data Element | URINE UREA CONCENTRATION | references in description URINE UREA CONCENTRATION |