| parent | Allopurinol | LP17988-4 |
| child | Oxipurinol | Blood | Drug toxicology | LP390281-6 |
| child | Oxipurinol | Cerebral spinal fluid | Drug toxicology | LP390282-4 |
| child | Oxipurinol | Serum or Plasma | Drug toxicology | LP390283-2 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Oxipurinol |
| DisplayName | en-US | Oxipurinol |
LOINC Version: 2.81