| parent | Narcotics | LP18149-2 |
| child | Acetyl fentanyl | LP174542-3 |
| child | fentaNYL | Blood | Drug toxicology | LP389891-5 |
| child | fentaNYL | Body fluid | Drug toxicology | LP389892-3 |
| child | fentaNYL+Norfentanyl | LP99216-1 |
| child | fentaNYL | Gastric fluid | Drug toxicology | LP389893-1 |
| child | fentaNYL | Saliva | Drug toxicology | LP389894-9 |
| child | Norfentanyl | LP15048-9 |
| child | Despropionylfentanyl | LP15047-1 |
| child | fentaNYL | Serum or Plasma | Drug toxicology | LP389895-6 |
| child | fentaNYL | Serum, Plasma or Blood | Drug toxicology | LP389896-4 |
| child | fentaNYL cutoff | LP228419-0 |
| child | fentaNYL/Creatinine | LP286030-4 |
| child | fentaNYL | Umbilical cord tissue | Drug toxicology | LP426622-9 |
| child | fentaNYL | Unknown substance | Drug toxicology | LP389897-2 |
| child | fentaNYL | Urine | Drug toxicology | LP389898-0 |
| child | fentaNYL | XXX | Drug toxicology | LP389899-8 |
| parent | Narcotics | LP18149-2 |
| child | fentaNYL | Dose | Drug doses | LP392280-6 |
| PartDisplayName | en-US | fentaNYL |
| DisplayName | en-US | fentaNYL |
LOINC Version: 2.80
FHIR