| parent | Renal function | LP31398-8 |
| child | Fractional excretion of urea | LP99664-2 |
| child | Urea | Amniotic fluid | Chemistry - non-challenge | LP385429-8 |
| child | Urea | Blood | Chemistry - non-challenge | LP385430-6 |
| child | Urea renal clearance/1.73 sq M | LP287339-8 |
| child | Urea renal clearance | LP65138-7 |
| child | Urea | Blood arterial | Chemistry - non-challenge | LP385431-4 |
| child | Urea | Blood venous | Chemistry - non-challenge | LP385432-2 |
| child | Urea/Creatinine | LP287340-6 |
| child | Urea reduction ratio | LP89621-4 |
| child | Urea | Body fluid | Chemistry - non-challenge | LP385433-0 |
| child | Urea | Cerebral spinal fluid | Chemistry - non-challenge | LP385434-8 |
| child | Urea | Dialysis fluid | Chemistry - non-challenge | LP385435-5 |
| child | Urea | Dialysis fluid peritoneal | Chemistry - non-challenge | LP385436-3 |
| child | Urea | Feed | Chemistry - non-challenge | LP385437-1 |
| child | Urea | Gastric fluid | Chemistry - non-challenge | LP385438-9 |
| child | Urea | Peritoneal fluid | Chemistry - non-challenge | LP385439-7 |
| child | Urea | Pleural fluid | Chemistry - non-challenge | LP385440-5 |
| child | Urea | Serum or Plasma | Chemistry - non-challenge | LP385441-3 |
| child | Urea | Serum, Plasma or Blood | Chemistry - non-challenge | LP385442-1 |
| child | Urea | Stool | Chemistry - non-challenge | LP385443-9 |
| child | Urea | Urine | Chemistry - non-challenge | LP385444-7 |
| child | Urea | Vitreous fluid | Chemistry - non-challenge | LP385445-4 |
| child | Urea | XXX | Chemistry - non-challenge | LP385446-2 |
| PartDisplayName | en-US | Urea |
| DisplayName | en-US | Urea |
LOINC Version: 2.77
FHIR