| parent | Phenylbutazone | LP16251-8 |
| child | Phenylbutazone [Mass/volume] in Serum or Plasma | 3960-2 |
| child | Phenylbutazone [Moles/volume] in Serum or Plasma | 25500-0 |
| STATUS | NotStated |
| PartDisplayName | en-US | Phenylbutazone | Serum or Plasma | Drug toxicology |
LOINC Version: 2.81