| parent | Antihistamines | LP18065-0 |
| child | Chlorpheniramine cutoff | LP227998-4 |
| child | Chlorpheniramine | Gastric fluid | Drug toxicology | LP388807-2 |
| child | Chlorpheniramine | Serum or Plasma | Drug toxicology | LP388808-0 |
| child | Chlorpheniramine | Serum or Plasma or Urine | Drug toxicology | LP388809-8 |
| child | Chlorpheniramine | Urine | Drug toxicology | LP388810-6 |
| child | Chlorpheniramine | XXX | Drug toxicology | LP388811-4 |
| parent | Antihistamines | LP18065-0 |
| child | Chlorpheniramine | Dose | Drug doses | LP392154-3 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Chlorpheniramine |
| DisplayName | en-US | Chlorpheniramine |
LOINC Version: 2.81