| CLASS | CHEM | LP7786-9 |
| COMPONENT | Thyroxine/Triiodothyronine uptake index | LP307571-2 |
| PROPERTY | MRto | LP6834-8 |
| TIME_ASPCT | Pt | LP6960-1 |
| SYSTEM | Ser/Plas | LP7576-4 |
| SCALE_TYP | Qn | LP7753-9 |
| parent | Thyroxine | Serum or Plasma | Chemistry - non-challenge | LP381510-9 |
| CLASSTYPE | Laboratory class | |
| ORDER_OBS | Both | |
| UNITSREQUIRED | Y | |
| STATUS | DISCOURAGED |
| LONG_COMMON_NAME | en-US | Thyroxine (T4)/Triiodothyronine (T3) uptake index [Mass Ratio] in Serum or Plasma |
| LONG_COMMON_NAME | en-US | Thyroxine (T4)/Triiodothyronine (T3) uptake index [Mass Ratio] in Serum or Plasma |
| SHORTNAME | en-US | T4/T3 uptake index SerPl |
| ConsumerName | en-US | T4/Triiodothyronine (T3) Uptake Index, Blood |
| SHORTNAME | es-AR | tiroxina/índice de captación de triyodotironina:relación de concentración de masa:punto en el tiempo:suero/plasma:cuantitativo: |
| SHORTNAME | pt-BR | T4/T3 uptake index SerPl-mRto |
| LONG_COMMON_NAME | nl-NL | Thyroxine/tri-iodothyronine opname-index [massaverhouding] in serum of plasma |
| LONG_COMMON_NAME | es-MX | Índice de captación de tiroxina / triyodotironina: Suero o Plasma : Punto temporal: Relación de masa: Cuantitativo: |
LOINC Version: 2.81