| parent | Drugs identified | LP37950-0 |
| child | O-nortramadol | Blood | Drug toxicology | LP388593-8 |
| child | O-nortramadol | Meconium | Drug toxicology | LP412095-4 |
| child | O-nortramadol | Saliva | Drug toxicology | LP388594-6 |
| child | O-nortramadol | Serum, Plasma or Blood | Drug toxicology | LP388595-3 |
| child | O-nortramadol | Umbilical cord tissue | Drug toxicology | LP429639-0 |
| child | O-nortramadol | Urine | Drug toxicology | LP388596-1 |
| PartDisplayName | en-US | O-nortramadol |
| DisplayName | en-US | O-nortramadol |
LOINC Version: 2.77
FHIR