| parent | Small molecules | LP31415-0 |
| child | Gamma hydroxybutyrate/Creatinine | LP286072-6 |
| child | Gamma hydroxybutyrate | Amniotic fluid | Chemistry - non-challenge | LP386220-0 |
| child | Gamma hydroxybutyrate | Blood | Chemistry - non-challenge | LP386221-8 |
| child | Gamma hydroxybutyrate | Cerebral spinal fluid | Chemistry - non-challenge | LP386222-6 |
| child | Gamma hydroxybutyrate | Gastric fluid | Chemistry - non-challenge | LP386223-4 |
| child | Gamma hydroxybutyrate | Serum or Plasma | Chemistry - non-challenge | LP386224-2 |
| child | Gamma hydroxybutyrate | Urine | Chemistry - non-challenge | LP386225-9 |
| child | Gamma hydroxybutyrate | XXX | Chemistry - non-challenge | LP386226-7 |
| child | Gamma hydroxybutyrate cutoff | LP174039-0 |
| PartDisplayName | en-US | Gamma hydroxybutyrate |
| DisplayName | en-US | Gamma hydroxybutyrate |
LOINC Version: 2.77
FHIR