| parent | Beta blockers | LP18062-7 |
| child | Atenolol | Blood | Drug toxicology | LP389268-6 |
| child | Atenolol | Body fluid | Drug toxicology | LP389269-4 |
| child | Atenolol | Hair | Drug toxicology | LP389270-2 |
| child | Atenolol | Serum or Plasma | Drug toxicology | LP389271-0 |
| child | Atenolol | Urine | Drug toxicology | LP389272-8 |
| child | Atenolol | XXX | Drug toxicology | LP389273-6 |
| parent | Beta blockers | LP18062-7 |
| child | Atenolol | Dose | Drug doses | LP392245-9 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Atenolol |
| DisplayName | en-US | Atenolol |
LOINC Version: 2.81