| parent | Urea | LP14288-2 |
| child | Urea [Mass/volume] in 12 hour Urine | 57389-9 |
| child | Urea [Mass/time] in 12 hour Urine | 57385-7 |
| child | Urea [Moles/time] in 12 hour Urine | 74082-9 |
| child | Urea [Mass/time] in 18 hour Urine | 58991-1 |
| child | Urea [Moles/time] in 1 hour Urine | 53137-6 |
| child | Urea [Mass/volume] in 24 hour Urine | 63481-6 |
| child | Urea [Mass/time] in 24 hour Urine | 48999-7 |
| child | Urea [Moles/volume] in 24 hour Urine | 25998-6 |
| child | Urea [Moles/time] in 24 hour Urine | 25550-5 |
| child | Urea [Mass/volume] in Urine | 3092-4 |
| child | Urea [Moles/volume] in Urine | 22700-9 |
| child | Urea [Moles/volume] in Urine collected for unspecified duration | 55609-2 |
| child | Urea [Molar amount] in Urine collected for unspecified duration | 32556-3 |
| child | Urea/Creatinine [Mass Ratio] in 24 hour Urine | 56996-2 |
| child | Urea/Creatinine [Molar ratio] in 24 hour Urine | 25999-4 |
| child | Urea/Creatinine [Mass Ratio] in Urine | 97187-9 |
| child | Urea/Creatinine [Ratio] in Urine | 40487-1 |
| child | Urea/Creatinine [Molar ratio] in Urine | 59786-4 |
| PartDisplayName | en-US | Urea | Urine | Chemistry - non-challenge |
LOINC Version: 2.77
FHIR