| parent | Bronchodilator | LP31460-6 |
| child | Theophylline.free | LP207766-9 |
| child | Theophylline | Blood | Drug toxicology | LP391493-6 |
| child | Theophylline | Body fluid | Drug toxicology | LP391494-4 |
| child | Theophylline/Creatinine | LP287223-4 |
| child | Theophylline | Cerebral spinal fluid | Drug toxicology | LP391495-1 |
| child | Theophylline | Gastric fluid | Drug toxicology | LP391496-9 |
| child | Theophylline | Saliva | Drug toxicology | LP391497-7 |
| child | Theophylline | Serum or Plasma | Drug toxicology | LP391498-5 |
| child | Theophylline | Urine | Drug toxicology | LP391499-3 |
| parent | Bronchodilator | LP31460-6 |
| child | Theophylline | Dose | Drug doses | LP392394-5 |
| PartDisplayName | en-US | Theophylline |
| DisplayName | en-US | Theophylline |
LOINC Version: 2.80
FHIR