| parent | Alfentanil | LP16021-5 |
| child | Alfentanil [Mass/volume] in Urine | 16334-5 |
| child | Alfentanil [Presence] in Urine | 18383-0 |
| child | Alfentanil/Creatinine [Mass Ratio] in Urine by Confirmatory method | 86604-6 |
| STATUS | NotStated |
| PartDisplayName | en-US | Alfentanil | Urine | Drug toxicology |
LOINC Version: 2.81