| parent | Barbiturates | LP14546-3 | 
| child | Barbiturates [Mass/volume] in Serum or Plasma | 10338-2 | 
| child | Barbiturates [Mass/volume] in Serum or Plasma by Screen method | 30249-7 | 
| child | Barbiturates [Presence] in Serum or Plasma by Screen method | 20421-4 | 
| child | Barbiturates [Moles/volume] in Serum or Plasma | 15100-1 | 
| STATUS | NotStated | 
| PartDisplayName | en-US | Barbiturates | Serum or Plasma | Drug toxicology | 
LOINC Version: 2.78