| parent | Phenolphthalein | LP14911-9 | 
| child | Phenolphthalein [Mass/volume] in Serum or Plasma | 60163-3 | 
| child | Phenolphthalein [Presence] in Serum or Plasma | 50357-3 | 
| child | Phenolphthalein [Moles/volume] in Serum or Plasma | 55568-0 | 
| STATUS | NotStated | 
| PartDisplayName | en-US | Phenolphthalein | Serum or Plasma | Drug toxicology | 
LOINC Version: 2.78