LOINC
Version 2.67

6892-4Thyroxine (T4) free [Mass/volume] in Serum or Plasma by DialysisActive

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. Copyright Text is available under the Creative Commons Attribution/Share-Alike License. See http://creativecommons.org/licenses/by-sa/3.0/ for details. Source: Regenstrief Institute, Thyroxine (Wikipedia)

Fully-Specified Name

Component
Thyroxine.free
Property
MCnc
Time
Pt
System
Ser/Plas
Scale
Qn
Method
Dialysis

Additional Names

Short Name
T4 Free SerPl Dialy-mCnc
Display Name
Free T4 Dialysis [Mass/Vol]

Basic Attributes

Class
CHEM
Type
Laboratory
First Released
Version 1.0h(2)
Last Updated
Version 2.38
Order vs. Observation
Both
Common US Lab Results Rank
1494

Reference Information

Type Source Reference
Webcontent Lab Tests Online®Copyright Copyright © 2001-2019 American Association for Clinical Chemistry T4, Free

Member of these Groups

LG12004-4 Thyroxine.free|MCnc|Pt|ANYBldSerPl
LG49674-1 Thyroxine.free|Pt|Ser/Plas|Dialysis

Language Variants Get Info

zh-CNChinese (CHINA)
甲状腺素.游离型:质量浓度:时间点:血清/血浆:定量型:透析法
nl-NLDutch (NETHERLANDS)
thyroxine.vrij:massa/volume:moment:serum of plasma:kwantitatief:dialyse
et-EEEstonian (ESTONIA)
Türoksiin.vaba:MCnc:Pt:S/P:Qn:Dialüüs
fr-FRFrench (FRANCE)
Thyroxine.free:MCnc:Pt:Ser/Plas:Qn:Dialysis
it-ITItalian (ITALY)
Tiroxina.libera:MCnc:Pt:Siero/Plasma:Qn:Dialisi
ko-KRKorean (KOREA, REPUBLIC OF)
유리티록신:질량농도:검사시점:혈청/혈장:정량:투석
pt-BRPortuguese (BRAZIL)
Tiroxina.livre:MCnc:Pt:Sor/Plas:Qn:Diálise
ru-RURussian (RUSSIAN FEDERATION)
Тироксин.свободный:МассКонц:ТчкВрм:Сыв/Плаз:Колич:Диализ
es-ARSpanish (ARGENTINA)
tiroxina.libre:concentración de masa:punto en el tiempo:suero/plasma:cuantitativo:diálisis
es-ESSpanish (SPAIN)
Tiroxina libre:Concentración de masa:Punto temporal:Suero o Plasma:Qn:Dialisis
tr-TRTurkish (TURKEY)
Tiroksin.serb:KütlKons:Zmlı:Ser/Plaz:Kant:Diyaliz

Example Units

Unit Source
ng/dL Example UCUM Units
ng/dL REGENSTRIEF

LOINC FHIR® API Example - CodeSystem Request Get Info

https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=6892-4