| parent | Antidepressants | LP18893-5 |
| child | Doxepin+Nordoxepin | LP14716-2 |
| child | Doxepin | Gastric fluid | Drug toxicology | LP391031-4 |
| child | Doxepin | Serum or Plasma | Drug toxicology | LP391032-2 |
| child | Nordoxepin | LP14718-8 |
| child | Doxepin+Metabolites | LP16123-9 |
| child | Doxepin | Tissue and Smears | Drug toxicology | LP391033-0 |
| child | Doxepin | Urine | Drug toxicology | LP391034-8 |
| child | Doxepin/Creatinine | LP285931-4 |
| child | Doxepin cutoff | LP228314-3 |
| child | Doxepin | XXX | Drug toxicology | LP391035-5 |
| parent | Antidepressants | LP18893-5 |
| child | Doxepin | Dose | Drug doses | LP392360-6 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Doxepin |
| DisplayName | en-US | Doxepin |
LOINC Version: 2.81