| parent | Triiodothyronine | LP15922-5 |
| child | Triiodothyronine/Thyroxine | Serum or Plasma | Chemistry - non-challenge | LP381533-1 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Triiodothyronine/Thyroxine |
| DisplayName | en-US | Triiodothyronine/Thyroxine |
LOINC Version: 2.81