| parent | Morphine.free | LP28863-6 | 
| child | Morphine Free [Mass/volume] in Serum or Plasma | 11244-1 | 
| child | Morphine Free [Presence] in Serum or Plasma by Screen method | 46259-8 | 
| STATUS | NotStated | 
| PartDisplayName | en-US | Morphine Free | Serum or Plasma | Drug toxicology | 
LOINC Version: 2.78