LOINC
Version 2.67

LP29119-2Thyroxine freeActive

Description

LP29119-2   Thyroxine.free
Free T4 is the metabolically active fraction of thyroxine and is the precursor of triiodothyronine (T3). Free T4 is a sensitive test for thyroid function and is increased with hyperthyroidism and decreased with hypothyroidism. Free T4 is not affected by changes in thryoxine-binding proteins. Information from Laboratory Test Handbook, Jacobs DS, DeMott WR, and Oxley DK, LexiComp, 2001. Source: Regenstrief Institute

Basic Part Properties

Name
Thyroxine.free
Type
Component
Created On
2002-06-18
Construct for LOINC Short Name
T4 Free

LOINC FHIR® API Example - CodeSystem Request Get Info

https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=LP29119-2

Language Variants Get Info

zh-CNChinese (CHINA)
甲状腺素.游离型
Synonyms: FT4;FT-4;T4.游离;T4.游离型;游离 T4;游离型 T4;游离型甲状腺素;游离甲状腺素;甲状腺素.游离
nl-NLDutch (NETHERLANDS)
thyroxine.vrij
et-EEEstonian (ESTONIA)
Türoksiin.vaba
fr-BEFrench (BELGIUM)
Thyroxine.libre
Synonyms: T4L,fT4
fr-CAFrench (CANADA)
Thyroxine.libre
el-GRGreek (GREECE)
Θυροξίνη ελεύθερη
Synonyms: Ελεύθερη Τ4
it-ITItalian (ITALY)
Tiroxina.libera
Synonyms: Tiroxina libera
ru-RURussian (RUSSIAN FEDERATION)
Тироксин.свободный
es-ESSpanish (SPAIN)
Tiroxina libre
tr-TRTurkish (TURKEY)
Tiroksin.serb