| parent | Verapamil | LP16307-8 | 
| child | Verapamil [Mass/volume] in Serum or Plasma | 4094-9 | 
| child | Verapamil [Presence] in Serum or Plasma | 4093-1 | 
| child | Verapamil [Moles/volume] in Serum or Plasma | 55586-2 | 
| STATUS | NotStated | 
| PartDisplayName | en-US | Verapamil | Serum or Plasma | Drug toxicology | 
LOINC Version: 2.78