| parent | HYDROcodone | LP16161-9 |
| child | HYDROcodone Free | Blood | Drug toxicology | LP389927-7 |
| child | HYDROcodone Free | Serum or Plasma | Drug toxicology | LP389928-5 |
| child | HYDROcodone Free | Stool | Drug toxicology | LP389929-3 |
| child | HYDROcodone Free | Umbilical cord tissue | Drug toxicology | LP426625-2 |
| child | HYDROcodone Free | Urine | Drug toxicology | LP389930-1 |
| child | HYDROcodone Free | Vitreous fluid | Drug toxicology | LP389931-9 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | HYDROcodone.free |
| DisplayName | en-US | HYDROcodone Free |
LOINC Version: 2.78