| parent | Thyroid Hormones- | LP31666-8 |
| child | Thyroxine.albumin bound | LP15042-2 |
| child | Thyroxine | Blood | Chemistry - non-challenge | LP381507-5 |
| child | Thyroxine | DBS | Chemistry - non-challenge | LP381508-3 |
| child | Thyroxine binding globulin | LP15897-9 |
| child | Thyroxine binding protein pattern | LP65607-1 |
| child | Thyroxine | Saliva | Chemistry - non-challenge | LP381509-1 |
| child | Thyroxine | Serum or Plasma | Chemistry - non-challenge | LP381510-9 |
| child | Thyroxine.free | LP29119-2 |
| child | Thyroxine uptake | LP15899-5 |
| child | Thyroxine | Urine | Chemistry - non-challenge | LP426604-7 |
| child | Thyroxine.thyroxine binding globulin bound | LP18514-7 |
| child | Total thyroxine binding capacity | LP183618-0 |
| child | Thyroxine/Thyroxine binding globulin | LP307570-4 |
| child | Thyroxine/Triiodothyronine uptake index | LP307571-2 |
| parent | Thyroid Hormones- | LP31666-8 |
| child | Thyroxine.free | LP29119-2 |
| child | Thyroxine | Serum or Plasma | Chemistry - challenge | LP387146-6 |
| child | Thyroxine uptake | LP15899-5 |
| parent | SERO | LP7844-6 |
| child | Thyroxine Ab | LP40008-2 |
| PartDisplayName | en-US | Thyroxine |
| DisplayName | en-US | Thyroxine |
LOINC Version: 2.80
FHIR