| parent | Vitamin K Antagonist - Drug | LP175674-3 |
| child | Warfarin | Gastric fluid | Drug toxicology | LP388781-9 |
| child | Warfarin | Serum or Plasma | Drug toxicology | LP388782-7 |
| child | Warfarin | Urine | Drug toxicology | LP388783-5 |
| child | Warfarin | XXX | Drug toxicology | LP388784-3 |
| parent | Anticoagulants, pro- and antifibrinolytics | LP31427-5 |
| child | Warfarin | Dose | Drug doses | LP392152-7 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Warfarin |
| DisplayName | en-US | Warfarin |
LOINC Version: 2.81