| parent | Thyroxine.free | LP29119-2 |
| child | Thyroxine (T4) free [Mass/volume] in Serum or Plasma | 3024-7 |
| child | Thyroxine (T4) free [Mass/volume] in Serum or Plasma by Dialysis | 6892-4 |
| child | Thyroxine (T4) free [Mass/volume] in Serum or Plasma by Immunoassay | 83122-2 |
| child | Thyroxine (T4) free [Mass or Moles/volume] in Serum or Plasma | 35228-6 |
| child | Thyroxine (T4) free [Moles/volume] in Serum or Plasma | 14920-3 |
| child | Thyroxine (T4) free [Moles/volume] in Serum or Plasma by Dialysis | 70217-5 |
| child | Thyroxine (T4) free [Moles/volume] in Serum or Plasma by Immunoassay | 83121-4 |
| PartDisplayName | en-US | Thyroxine free | Serum or Plasma | Chemistry - non-challenge |
LOINC Version: 2.77
FHIR