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^40M 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 --40 minutes post XXX challenge
Short Name
T4 Free 40M p chal SerPl-mCnc
Display Name
Free T4 40 Min post Unsp challenge [Mass/Vol]
Consumer Name Alpha Get Info
Free T4 40 min after challenge, Blood

Basic Attributes

Class
CHAL
Type
Laboratory
First Released
Version 2.29
Last Updated
Version 2.34 (MIN)
Order vs. Observation
Observation

Language Variants Get Info

Tag Language Translation
el-GR Greek (Greece) Θυροξίνη.ελεύθερη^40 λεπτά κατόπιν πρόκλησης XXX:MCnc:Pt:Ορός/Πλάσμα:Qn:
Synonyms: MCnc Θυροξίνη Θυροξίνη.ελεύθερη Πρόκληση
es-ES Spanish (Spain) Tiroxina libre^40 minutos pos provocación XXX:Concentración de masa:Punto temporal:Suero o Plasma:Qn:
Synonyms: Cuantitativo
es-MX Spanish (Mexico) Thyroxine.libre ^40M después del desafío XXX:Concentración de masa:Punto temporal:Suero o Plasma:Cuantitativo:
et-EE Estonian (Estonia) Türoksiin.vaba^40 minutit pärast XXX manustamist:MCnc:Pt:S/P:Qn:
Synonyms: Juhuslik Kvantitatiivne Plasma Seerum Seerum või plasma
fr-CA French (Canada) Thyroxine.libre^40 min post test de provocation XXX:Concentration de masse:Temps ponctuel:Sérum/Plasma:Quantitatif:
fr-FR French (France) Thyroxine libre T40min après épreuve:Masse/Volume:Ponctuel:Sérum/Plasma:Numérique:
fr-BE French (Belgium) Thyroxine.libre^40 min post test de provocation XXX:Concentration de masse:Temps ponctuel:Sérum/Plasma:Quantitatif:
Synonyms: T4 T4L,fT4
it-IT Italian (Italy) Tiroxina.libera^40Minuti post XXX provocazione:MCnc:Pt:Siero/Plasma:Qn:
Synonyms: 40 minuti 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^40 min na XXX belasting:massa/volume:moment:serum of plasma:kwantitatief:
Synonyms: 40M na XXX belasting
pt-BR Portuguese (Brazil) Tiroxina.livre^40 min após administração de XXX:#N/A:Pt:Sor/Plas:Qn:
Synonyms: ; T4 Free; T-4; FreeT4; Thyrox; Thyrx; Thyroxin; Levothyroxine; Levo-thyroxine; L-thyroxine; 40M p chal; Mass concentration; Level; Point in time; Random; SerPl; SerPlas; SerP; Serum; SR; Plasma; Pl; Plsm; Quantitative; QNT; Quant; Quan; FT4; PST; After; FR; Non-protein bound; CHEMISTRY.CHALLENGE TESTING; CHEMISTRY.CHALLENGE TESTING
ru-RU Russian (Russian Federation) Тироксин.свободный^40 минут 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^40dk 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40分钟:质量浓度:时间点:血清/血浆:定量型:
Synonyms: 40Min之后于XXX刺激;40Min之后于此处不作说明的刺激;40分钟之后于XXX刺激;40分钟之后于此处不作说明的刺激;在XXX刺激之后40Min;在此处不作说明的刺激之后40Min;在此处不作说明的刺激之后40分钟 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=56987-1