| parent | Multiple cardiovascular effects | LP31493-7 |
| child | Caffeine renal clearance | LP227861-4 |
| child | Caffeine | Body fluid | Drug toxicology | LP389341-1 |
| child | Caffeine | Gastric fluid | Drug toxicology | LP389342-9 |
| child | Caffeine | Serum | Drug toxicology | LP389343-7 |
| child | Caffeine | Serum or Plasma | Drug toxicology | LP389344-5 |
| child | Caffeine | Urine | Drug toxicology | LP389345-2 |
| child | Caffeine | XXX | Drug toxicology | LP389346-0 |
| parent | Multiple cardiovascular effects | LP31493-7 |
| child | Caffeine | Dose | Drug doses | LP392259-0 |
| PartDisplayName | en-US | Caffeine |
| DisplayName | en-US | Caffeine |
LOINC Version: 2.77
FHIR