| parent | Gamma aminobutyrate | LP15588-4 | 
| child | Gamma aminobutyrate.free | Cerebral spinal fluid | Chemistry - non-challenge | LP386218-4 | 
| STATUS | ACTIVE | 
| PartDisplayName | en-US | Gamma aminobutyrate.free | 
| DisplayName | en-US | Gamma aminobutyrate.free | 
LOINC Version: 2.81