| parent | Theophylline | LP16288-0 |
| child | Theophylline [Mass/volume] in Serum or Plasma | 4049-3 |
| child | Theophylline [Mass/volume] in Serum or Plasma by Screen method | 35596-6 |
| child | Theophylline [Mass or Moles/volume] in Serum or Plasma | 35238-5 |
| child | Theophylline [Moles/volume] in Serum or Plasma | 14915-3 |
| child | Theophylline [Mass/volume] in Serum or Plasma --peak | 97163-0 |
| child | Theophylline [Moles/volume] in Serum or Plasma --peak | 32115-8 |
| child | Theophylline [Mass/volume] in Serum or Plasma --trough | 72673-7 |
| child | Theophylline [Moles/volume] in Serum or Plasma --trough | 32116-6 |
| PartDisplayName | en-US | Theophylline | Serum or Plasma | Drug toxicology |
LOINC Version: 2.77
FHIR