56477-3

Thyroperoxidase Ab [Units/volume] in Serum or Plasma by Immunoassay

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Part Descriptions

LP17727-6 Thyroperoxidase
Thyroid peroxidase is an enzyime that is required in order for iodine to be added to the protein thyroglobulin, a precursor to the generation of thyroid hormones which are important in the physical growth, brain development and metabolism of the body. If thyroid peroxidase is not produced or blocked by antibodies, hypothyroidism occurs. Symptoms of hypothyroidism include fatigue, weight gain, muscle weakness, increased cholesterol levels, depression and impaired memory. [MedlinePlus Gene:TPO] Source: Regenstrief LOINC

LP40001-7 Thyroperoxidase Ab
Thyroperoxidase antibodies aid in the detection of autoimmune and Hashimoto's thyroiditis. Antibodies against the thyroid are seldom seen in serum of normal individuals but 5-10% of patients may have low levels of antibodies with no signs of disease. These antibodies maybe associated with other autoimmune disorders (cross-reactive antibodies). Source: Regenstrief Institute

Reference Information

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

Fully-Specified Name

Component: Thyroperoxidase Ab
Property: ACnc
Time: Pt
System: Ser/Plas
Scale: Qn
Method: IA

Additional Names

Long Common Name: Thyroperoxidase Ab [Units/volume] in Serum or Plasma by Immunoassay
Short Name: Thyroperoxidase Ab SerPl IA-aCnc
Display Name: TPO Ab IA Qn
Consumer Name Alpha Get Info: TPO antibody, Blood

Basic Attributes

Class: SERO
Type: Laboratory
First Released: Version 2.29
Last Updated: Version 2.73 (MIN)
Change Reason: The EIA method, which was always intended to cover more than just enzyme-linked immunoassay and whose display name for the long common name has always been Immunoassay, was renamed IA in order to eliminate ambiguity about whether the method has a broader meaning than just enzyme-linked immunoassay. Likewise, EIA.rapid was renamed IA.rapid. These changes were approved by the Laboratory LOINC Committee in June 2016.
Order vs. Observation: Both
Common Test Rank Get Info: 2697

Member of these Groups Get Info

LOINC Group	Group Name
LG359-6	Thyroperoxidase Ab\|ACnc\|Pt\|ANYBldSerPl

Language Variants Get Info

Tag	Language	Translation
de-DE	German (Germany)	Thyreoperoxidase Ak:Arbiträre Konzentration:Zeitpunkt:Serum oder Plasma:Quantitativ:Immunoassay Synonyms: TPO
el-GR	Greek (Greece)	Θυρεοϋπεροξειδάση Αντίσωμα:ACnc:Pt:Ορός/Πλάσμα:Qn:IA Synonyms: ACnc Θυρεοϋπεροξειδάση
es-ES	Spanish (Spain)	Tiroperoxidasa Anticuerpos:Concentración arbitraria:Punto temporal:Suero o Plasma:Qn:IA Synonyms: Cuantitativo
es-MX	Spanish (Mexico)	Tiroperoxidasa Ab:Concentración arbitraria:Punto temporal:Suero o Plasma:Cuantitativo:Inmunoensayo
et-EE	Estonian (Estonia)	Türeoidperoksüdaasivastased antikehad:Acnc:Pt:S/P:Qn:IA Synonyms: Juhuslik Kvantitatiivne Plasma Seerum Seerum või plasma
fr-CA	French (Canada)	Thyroperoxidase, Ac:Concentration arbitraire:Temps ponctuel:Sérum/Plasma:Quantitatif:IA
fr-FR	French (France)	Thyroperoxidase anticorps:Arbitraire/Volume:Ponctuel:Sérum/Plasma:Numérique:Immunoanalyse
fr-BE	French (Belgium)	Thyroperoxidase Ac:Concentration arbitraire:Temps ponctuel:Sérum/Plasma:Quantitatif:IA Synonyms: Anticorps TPO
it-IT	Italian (Italy)	Tireoperossidasi Ab:ACnc:Pt:Siero/Plasma:Qn:IA Synonyms: anticorpo Concentrazione Arbitraria Immunoassay Plasma Punto nel tempo (episodio) Siero Siero o Plasma Sierologia (anticorpi e la maggior parte degli ant TPO
nl-NL	Dutch (Netherlands)	thyreoperoxidase As:eenheid/volume:moment:serum of plasma:kwantitatief:immunoassay Synonyms: antistof; antilichaam IA
pt-BR	Portuguese (Brazil)	Tiroperoxidase Ac:#N/A:Pt:Soro:Qn:Imunoensaio Synonyms: Thyroid Microsomal; Thyroid microsomes; Thyroid peroxidase; Iodide peroxidase; TPO; Arbitrary concentration; Point in time; Random; Serum; SR; Quantitative; QNT; Quant; Quan; Enzyme immunoassay; ELISA; MEIA; SUDS; ELFA; IAA; Antibodies; Autoantibody; Antibody; Autoantibodies; Antby; Acy; Anti; Serology
ru-RU	Russian (Russian Federation)	Тиреопероксидаза Ат:ПроизвКонц:ТчкВрм:Сыв/Плаз:Колич:IA Synonyms: Антитело Количественный Плазма Произвольная концентрация Сыворотка Сыворотка или Плазма Точка во времени;Момент
tr-TR	Turkish (Turkey)	Tiroperoksidaz Ab:SçKons:Zmlı:Ser/Plaz:Kant:İA Synonyms: İmmünölçüm, immünoassay
uk-UA	Ukrainian (Ukraine)	Тиреопероксидаза Антитіла:Довільна Концентрація:МоментЧасу:Сироватка/Плазма:Кількісно:Імуноаналіз Synonyms: ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; EIA; ELFA; ELISA; Endocrine; Endocrinology; Enzyme immunoassay; IAA; Iodide peroxidase; MEIA; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; Serology; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; SUDS; Thyroid Microsomal; Thyroid microsomes; Thyroid peroxidase; TPO
zh-CN	Chinese (China)	甲状腺过氧化物酶抗体:任意型浓度:时间点:血清/血浆:定量型:免疫测定法 Synonyms: Ab;自身抗体 TPO;甲状腺微粒体;甲状腺过氧化物酶（Thyroperoxidase，TPO）;甲状腺过氧物酶;碘化物过氧化物酶;碘化物过氧物酶任意型浓度(单位体积);任意浓度;单位体积的任意单位数;人工型浓度免疫测定;免疫分析法;免疫检定法;免疫检定;免疫试验;酶免疫测定法;酶免疫测定;酶免疫分析法;酶免疫检定法;酶免疫检定;酶免疫试验可用数量表示的;定量性;数值型;数量型;连续数值型标尺时刻;随机;随意;瞬间甲状腺过氧化物酶 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);血清类血清或血浆

Example Units

Unit	Source
{Index_val}	Example UCUM Units

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Copyright © 2025 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 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.