| parent | Amphetamine | LP18868-7 |
| child | Alpha-Phenyl-2-Piperidine acetate | LP29634-0 |
| child | Methylphenidate | Gastric fluid | Drug toxicology | LP389499-7 |
| child | Methylphenidate | Hair | Drug toxicology | LP389500-2 |
| child | Methylphenidate/Creatinine | LP286535-2 |
| child | Methylphenidate cutoff | LP228984-3 |
| child | Methylphenidate | Saliva | Drug toxicology | LP389501-0 |
| child | Methylphenidate | Serum or Plasma | Drug toxicology | LP389502-8 |
| child | Methylphenidate | Urine | Drug toxicology | LP389503-6 |
| child | Methylphenidate | XXX | Drug toxicology | LP389504-4 |
| parent | Amphetamine | LP18868-7 |
| child | Methylphenidate | Dose | Drug doses | LP392266-5 |
| PartDisplayName | en-US | Methylphenidate |
| DisplayName | en-US | Methylphenidate |
LOINC Version: 2.80
FHIR