Version 2.80

Part 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

Fully-Specified Name

Component
Thyroxine.free^2H post XXX challenge
Property
MCnc
Time
Pt
System
Ser/Plas
Scale
Qn
Method

Additional Names

Long Common Name
Thyroxine (T4) free [Mass/volume] in Serum or Plasma --2 hours post XXX challenge
Short Name
T4 Free 2h p chal SerPl-mCnc
Display Name
Free T4 2 Hr post Unsp challenge [Mass/Vol]
Consumer Name Alpha Get Info
Free T4 2 hr after challenge, Blood

Basic Attributes

Class
CHAL
Type
Laboratory
First Released
Version 2.32
Last Updated
Version 2.70 (MIN)
Order vs. Observation
Observation

Language Variants Get Info

Tag Language Translation
el-GR Greek (Greece) Θυροξίνη.ελεύθερη^2 ώρες κατόπιν πρόκλησης XXX:MCnc:Pt:Ορός/Πλάσμα:Qn:
Synonyms: MCnc Θυροξίνη Θυροξίνη.ελεύθερη Πρόκληση
es-ES Spanish (Spain) Tiroxina libre^2 horas pos provocación XXX:Concentración de masa:Punto temporal:Suero o Plasma:Qn:
Synonyms: Cuantitativo
es-MX Spanish (Mexico) Thyroxine.libre ^2H después del desafío XXX:Concentración de masa:Punto temporal:Suero o Plasma:Cuantitativo:
et-EE Estonian (Estonia) Türoksiin.vaba^2 tundi pärast XXX manustamist:MCnc:Pt:S/P:Qn:
Synonyms: Juhuslik Kvantitatiivne Plasma Seerum Seerum või plasma
fr-CA French (Canada) Thyroxine.libre^2 h post test de provocation XXX:Concentration de masse:Temps ponctuel:Sérum/Plasma:Quantitatif:
fr-FR French (France) Thyroxine libre T02h après épreuve:Masse/Volume:Ponctuel:Sérum/Plasma:Numérique:
fr-BE French (Belgium) Thyroxine.libre^2 h post test de provocation XXX:Concentration de masse:Temps ponctuel:Sérum/Plasma:Quantitatif:
Synonyms: T4 T4L,fT4
it-IT Italian (Italy) Tiroxina.libera^2h post XXX provocazione:MCnc:Pt:Siero/Plasma:Qn:
Synonyms: 2 ore dopo XXX stimolo Concentrazione di Massa dopo XXX provocazione Plasma Punto nel tempo (episodio) Siero Siero o Plasma Stimolo Test di provocazione Tiroxina libera
nl-NL Dutch (Netherlands) thyroxine.vrij^120 min na XXX belasting:massa/volume:moment:serum of plasma:kwantitatief:
Synonyms: 2 uur na XXX belasting
pt-BR Portuguese (Brazil) Tiroxina.livre^120 min após administração de XXX::Pt:Soro/Plas:Qn:
ru-RU Russian (Russian Federation) Тироксин.свободный^2 часа после XXX пробы:МассКонц:ТчкВрм:Сыв/Плаз:Колич:
Synonyms: Количественный Массовая концентрация Плазма Провокационная проба Сыворотка Сыворотка или Плазма Точка во времени;Момент
tr-TR Turkish (Turkey) Tiroksin.serb^2Sa snr XXX girişimi:KütlKons:Zmlı:Ser/Plaz:Kant:
zh-CN Chinese (China) 甲状腺素.游离型^在XXX刺激之后2小时:质量浓度:时间点:血清/血浆:定量型:
Synonyms: 120Min之后于XXX刺激;120Min之后于此处不作说明的刺激;120分钟之后于XXX刺激;120分钟之后于此处不作说明的刺激;2Hr之后于XXX刺激;2Hr之后于此处不作说明的刺激;2小时之后于XXX刺激;2小时之后于此处不作说明的刺激;在XXX刺激之后120Min;在XXX刺激之后120分钟;在XXX刺激之后2Hr;在此处不作说明的刺激之后120Min;在此处不作说明的刺激之后120分钟;在此处不作说明的刺激之后2Hr;在此处不作说明的刺激之后2小时 FT4 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 T4;T-4;四碘甲状腺原氨酸;四碘甲腺原氨酸;左旋四碘甲状腺原氨酸;左旋四碘甲腺原氨酸;左旋甲状腺氨酸;左旋甲状腺素;左旋甲状腺素（Levothyroxine，Levo-thyroxine，L-thyroxine）;甲状腺氨酸 XXX刺激 - 在...之后 XXX刺激因素 之后于 XXX 刺激;之后于 XXX 刺激因素;之后于此处不作说明的刺激;之后于此处不作说明的刺激因素;在 XXX 刺激因素之后;在此处不作说明的刺激之后;在此处不作说明的刺激因素之后 之后于... 刺激因素;挑战 可用数量表示的;定量性;数值型;数量型;连续数值型标尺 在...以后 在后 时刻;随机;随意;瞬间 此处不作说明的刺激 此处不作说明的刺激因素 水平;浓度;质量浓度(单位体积) 游离 游离T4 游离四碘甲状腺原氨酸 游离型四碘甲状腺原氨酸 游离甲状腺素 血清或血浆 非蛋白结合型 非蛋白质结合型

Example Units

Unit Source
ng/dL Example UCUM Units

LOINC Terminology Service (API) using HL7® FHIR® Get Info

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=58837-6