Where used:
| Data Set | National Renal Data Set - Renal Care | references in description OBSERVATION DATE (SERUM CREATININE CONCENTRATION) | 
| Data Set | National Renal Data Set - Transplant | references in description OBSERVATION DATE (SERUM CREATININE CONCENTRATION) | 
| Data Element | OBSERVATION DATE (SERUM CREATININE CONCENTRATION) | references in description OBSERVATION DATE (SERUM CREATININE CONCENTRATION) |