14920-3Thyroxine (T4) free [Moles/volume] in Serum or PlasmaActive
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.
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Source: Regenstrief Institute, Thyroxine (Wikipedia)
Fully-Specified Name
- Component
- Thyroxine.free
- Property
- SCnc
- Time
- Pt
- System
- Ser/Plas
- Scale
- Qn
- Method
Additional Names
- Short Name
- T4 Free SerPl-sCnc
- Display Name
- Free T4 [Moles/Vol]
Basic Attributes
- Class
- CHEM
- Type
- Laboratory
- First Released
- Version 1.0k
- Last Updated
- Version 2.34
- Order vs. Observation
- Both
- Common SI Lab Results Rank
- 133
- CDISC Lab Test
- Yes
Reference Information
| Type |
Source |
Reference |
| Webcontent |
Lab Tests Online®Copyright Copyright © 2001-2019 American Association for Clinical Chemistry |
T4, Free |
Language Variants Get Info
- zh-CNChinese (CHINA)
- 甲状腺素.游离型:物质的量浓度:时间点:血清/血浆:定量型:
- nl-NLDutch (NETHERLANDS)
- thyroxine.vrij:mol/volume:moment:serum of plasma:kwantitatief:
- et-EEEstonian (ESTONIA)
- Türoksiin.vaba:SCnc:Pt:S/P:Qn:
- fr-BEFrench (BELGIUM)
- Thyroxine.libre:Concentration de substance:Temps ponctuel:Sérum/Plasma:Quantitatif:
- fr-CAFrench (CANADA)
- Thyroxine.libre:Concentration de substance:Temps ponctuel:Sérum/Plasma:Quantitatif:
- fr-FRFrench (FRANCE)
- Thyroxine libre:Moles/Volume:Ponctuel:Sérum/Plasma:Numérique:
- de-DEGerman (GERMANY)
- Thyroxin.frei:SKnz:Pkt:Ser/Plas:Qn:
- el-GRGreek (GREECE)
- Θυροξίνη ελεύθερη:Συγκέντρωση ουσίας:Χρονική στιγμή:Ορός/Πλάσμα:Ποσοτική:
- it-ITItalian (ITALY)
- Tiroxina.libera:SCnc:Pt:Siero/Plasma:Qn:
- ko-KRKorean (KOREA, REPUBLIC OF)
- 유리티록신:물질농도:검사시점:혈청/혈장:정량:
- pt-BRPortuguese (BRAZIL)
- Tiroxina.livre:SCnc:Pt:Sor/Plas:Qn:
- ru-RURussian (RUSSIAN FEDERATION)
- Тироксин.свободный:МолКонц:ТчкВрм:Сыв/Плаз:Колич:
- es-ARSpanish (ARGENTINA)
- tiroxina.libre:concentración de sustancia:punto en el tiempo:suero/plasma:cuantitativo:
- es-ESSpanish (SPAIN)
- Tiroxina libre:Concentración de sustancia:Punto temporal:Suero o Plasma:Qn:
- tr-TRTurkish (TURKEY)
- Tiroksin.serb:SubKons:Zmlı:Ser/Plaz:Kant:
Example Units
| Unit |
Source |
| pmol/L |
eCHN |
| pmol/L |
Example UCUM Units |
LOINC FHIR® API Example - CodeSystem Request Get Info
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=14920-3
LOINC Copyright
Copyright © 2020 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2020, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.
