| parent | Drugs | LP18046-0 |
| child | Astemizole | LP15164-4 |
| child | Antihistamines | Blood | Drug toxicology | LP388785-0 |
| child | Antihistamines | Body fluid | Drug toxicology | LP388786-8 |
| child | Azatadine | LP18897-6 |
| child | Bromodiphenhydramine | LP18911-5 |
| child | Antihistamines | Gastric fluid | Drug toxicology | LP388787-6 |
| child | Antihistamines | Serum or Plasma | Drug toxicology | LP388788-4 |
| child | Brompheniramine | LP15166-9 |
| child | Carbinoxamine | LP18915-6 |
| child | Antihistamines | Serum or Plasma or Urine | Drug toxicology | LP388789-2 |
| child | Antihistamines | Urine | Drug toxicology | LP388790-0 |
| child | Chlorocycline | LP18921-4 |
| child | Chlorpheniramine | LP16072-8 |
| child | Cyproheptadine | LP18932-1 |
| child | Desloratadine | LP100042-3 |
| child | diphenhydrAMINE | LP16116-3 |
| child | Doxylamine | LP16124-7 |
| child | Fexofenadine | LP101033-1 |
| child | Loratadine | LP21145-5 |
| child | Methapyrilene | LP16196-5 |
| child | Methdilazine | LP18185-6 |
| child | Pheniramine | LP16246-8 |
| child | Phenyltoloxamine | LP18587-3 |
| child | Pyrilamine | LP16269-0 |
| child | Terfenadine | LP18101-3 |
| child | Trimeprazine | LP18061-9 |
| child | Tripelennamine | LP16304-5 |
| child | Triprolidine | LP18102-1 |
| child | Prothipendyl | LP432408-5 |
| parent | DRUGDOSE | LP7791-9 |
| child | Brompheniramine | LP15166-9 |
| child | Chlorpheniramine | LP16072-8 |
| child | diphenhydrAMINE | LP16116-3 |
| child | Doxylamine | LP16124-7 |
| child | Methapyrilene | LP16196-5 |
| child | Pheniramine | LP16246-8 |
| child | Tripelennamine | LP16304-5 |
| PartDisplayName | en-US | Antihistamines |
| DisplayName | en-US | Antihistamines |
LOINC Version: 2.77
FHIR