Version 2.80

Part Descriptions

LP15900-1   Thyroxine
The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyrosine (monoiodotyrosine) and the coupling of iodotyrosine (diiodotyrosine) in thyroglobulin. Thyroxine is separated from thyroglobulin by proteolysis and released in the blood. Thyroxine is peripherally deiodinated to form triiodothyronine which exerts broad stimulatory effects on cell metabolism. Source: National Library of Medicine, MeSH 2006

LP40008-2   Thyroxine Ab
Patients with autoimmune thyroid disease (ATD), including Hashimoto's thyroiditis and Grave's disease, occasionally develop autoantibodies to T4 and T3. These autoantibodies interfere with the measurement of T4 and T3 by immunoassay. Thus, abnormal or disparate T4 concentrations may be due to autoantibodies. Source: Quest Diagnostics Inc. , Autoimmune thyroid disease (ATD)

Reference Information

Type Source Reference
Webcontent Lab Tests Online®Copyright Copyright © 2021 Lab Tests Online. All rights reserved. Thyroid Antibodies

Fully-Specified Name

Component
Thyroxine Ab
Property
PrThr
Time
Pt
System
Ser
Scale
Ord
Method

Additional Names

Long Common Name
Thyroxine (T4) Ab [Presence] in Serum
Short Name
T4 Ab Ser Ql
Display Name
T4 Ab Ql (S)
Consumer Name Alpha Get Info
T4 antibody, Blood

Basic Attributes

Class
SERO
Type
Laboratory
First Released
Version 2.14
Last Updated
Version 2.73 (MIN)
Change Reason
The PrThr property is used for LOINC terms whose results are reported using an ordered categorical scale, regardless of whether or not an internal threshold was used to make that determination. This change was approved by the Laboratory LOINC Committee in June 2016.
Order vs. Observation
Both
Common Test Rank Get Info
6344

Language Variants Get Info

Tag Language Translation
de-DE German (Germany) Thyroxin Ak:Nachweis oder Schwellenwert:Zeitpunkt:Serum:Ordinal:
el-GR Greek (Greece) Θυροξίνη Αντίσωμα:PrThr:Pt:Ορός:Ord:
Synonyms: PrThr Θυροξίνη
es-AR Spanish (Argentina) [anticuerpo anti - ] tiroxina [Ac]:concentración arbitraria:punto en el tiempo:suero/plasma:ordinal:
es-MX Spanish (Mexico) Tiroxina Ab:Presencia o umbral:Punto temporal:Suero:Ordinal:
es-ES Spanish (Spain) Tiroxina Anticuerpos:PrThr:Punto temporal:Suero:Ord:
et-EE Estonian (Estonia) Türoksiin antikehad:PrThr:Pt:S:Ord:
Synonyms: Järgarvuline Juhuslik Seerum
fr-FR French (France) Thyroxine anticorps:Présence/Seuil:Ponctuel:Sérum:Qualitatif:
fr-BE French (Belgium) Thyroxine Ac:PrThr:Temps ponctuel:Sérum:Ordinal:
Synonyms: Anticorps T4
fr-CA French (Canada) Thyroxine, Ac:Présence-Seuil:Temps ponctuel:Sérum:Ordinal:
it-IT Italian (Italy) Tiroxina Ab:PrThr:Pt:Siero:Ord:
Synonyms: anticorpo Presenza o Soglia Punto nel tempo (episodio) Siero Sierologia (anticorpi e la maggior parte degli ant
ko-KR Korean (Korea, Republic Of) 티록신 항체:임의농도:검사시점:혈청:순위척도:
nl-NL Dutch (Netherlands) thyroxine As:aanwezigheid:moment:serum:ordinaal:
Synonyms: antistof; antilichaam
pl-PL Polish (Poland) Tyroksyna Ab:granica wykrywalności:punkt w czasie:surowica:półilościowy:
pt-BR Portuguese (Brazil) Tiroxina Ac:ACnc:Pt:Soro:Ord:
Synonyms: ; T4; T-4; Thyrox; Thyrx; Thyroxin; Levothyroxine; Levo-thyroxine; L-thyroxine; Arbitrary concentration; Point in time; Random; Serum; SR; Ql; Ordinal; QL; Qualitative; Qual; Screen; Antibodies; Autoantibody; Antibody; Autoantibodies; Antby; Acy; Anti; Serology
ru-RU Russian (Russian Federation) Тироксин Ат:PrThr:ТчкВрм:Сыв:Пор:
Synonyms: Антитело Порядковый Сыворотка Точка во времени;Момент
tr-TR Turkish (Turkey) Tiroksin Ab:MevcEşik:Zmlı:Ser:Srl:
Synonyms: Mevcut
uk-UA Ukrainian (Ukraine) Тироксин Антитіла:Наявність або Поріг:МоментЧасу:Сироватка:Порядково:
Synonyms: ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Levothyroxine; Levo-thyroxine; L-thyroxine; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serology; Serum; SR; T4; T-4; thyroid hormone; Thyrox; Thyroxin; Thyrx; Total T4; TT4
zh-CN Chinese (China) 甲状腺素 抗体:存在情况或阈值:时间点:血清:序数型:
Synonyms: Ab;自身抗体 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 依次型;分类顺序型;定性的;序数型（或称等级型）;性质上的;有序型;有序性分类应答;有序性分类结果;秩次型;等级型;筛查;顺序型 四碘甲状腺原氨酸 Ab 四碘甲状腺原氨酸抗体 存在情况;存在;存在与否;是否存在;阈值;界值;界限;阀值;临界值;存在情况（存在、存在与否、是否存在）或阈值（界值、界限、阀值、临界值） 时刻;随机;随意;瞬间 甲状腺氨酸 Ab 甲状腺氨酸抗体 甲状腺素 Ab 血清;血清学;血清学检验项目;血清学检验项目 (非微生物学);血清学检验项目（非微生物学）;血清学检验项目类;血清学检验项目类 (非微生物学);血清学类;血清学类检验项目;血清学类检验项目 (非微生物学);血清学类试验;血清学类试验 (非微生物学);血清学试验;血清学试验 (非微生物学);血清学试验（非微生物学）;血清学试验类 (非微生物学);血清类

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

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=38356-2