| parent | Renal function | LP31398-8 |
| child | Specific gravity | Amniotic fluid | Chemistry - non-challenge | LP385416-5 |
| child | Specific gravity | Body fluid | Chemistry - non-challenge | LP385417-3 |
| child | Specific gravity | Cerebral spinal fluid | Chemistry - non-challenge | LP385418-1 |
| child | Specific gravity | Gastric fluid | Chemistry - non-challenge | LP385419-9 |
| child | Specific gravity | Pericardial fluid | Chemistry - non-challenge | LP385420-7 |
| child | Specific gravity | Peritoneal fluid | Chemistry - non-challenge | LP385421-5 |
| child | Specific gravity | Pleural fluid | Chemistry - non-challenge | LP385422-3 |
| child | Specific gravity | Red Blood Cells | Chemistry - non-challenge | LP385423-1 |
| child | Specific gravity | Stool | Chemistry - non-challenge | LP385424-9 |
| child | Specific gravity | Synovial fluid | Chemistry - non-challenge | LP385425-6 |
| child | Specific gravity | Urine | Chemistry - non-challenge | LP385426-4 |
| child | Specific gravity | Water | Chemistry - non-challenge | LP385427-2 |
| child | Specific gravity | XXX | Chemistry - non-challenge | LP385428-0 |
| parent | Analytes | LP40317-7 |
| child | Specific gravity | Urine | Urinalysis | LP402537-7 |
| PartDisplayName | en-US | Specific gravity |
| DisplayName | en-US | Specific gravity |
LOINC Version: 2.77
FHIR