LOINC
Version 2.66

56991-3Toxoplasma gondii IgG Ab avidity [Presence] in Serum or Plasma by ImmunoassayActive

Component
Toxoplasma gondii Ab.IgG avidity
Property
PrThr
Time
Pt
System
Ser/Plas
Scale
Ord
Method
IA

Additional Names

Short Name
T gondii IgG Avidity SerPl Ql IA
Display Name Beta
T. gondii IgG avidity IA Ql
Consumer Name Alpha
Toxoplasma gondii IgG Avidity, Blood

Part Description

LP14252-8   Toxoplasma gondii
Toxoplasma gondii is an intestinal coccidium that multiplies within cats as definitive hosts as well as within many other mammals and birds as intermediate hosts. T. gondii reproduces sexually only in cats. It infects the intestinal epithelium and produces oocysts which are shed in the feces. Humans acquire infections most often by consumption of undercooked meat containing tissue cysts or food contaminated by cat feces. Less than 0.1 percent of human cases are acquired congenitally. Toxoplasmosis is minor and self-limiting in immunocompetent individuals who may be asymptomatic or present with fever, lymphadenopathy, muscle aches and headache. Toxoplasma may manifest as encephalitis in immunosuppressed individuals including patients with acquired immune deficiency syndrome (AIDS) and may lead to coma or death. T. gondii often infects the brain and retina in congenitally infected children. Mild symptoms include slightly diminished vision while severely diseased children exhibit a pattern of retinochoroiditis, hydrocephalus, convulsions and intracerebral calcifications. Ocular disease may also occur. Toxoplasma is diagnosed through serology and upon histologic examination of tissues. Prevention includes thorough cooking of meat and proper management of cats. Sulfadiazine and pyrimethamine can be used to treat acute cases. [NCBI Books:NBK7627] Source: Regenstrief LOINC

Basic Attributes

Class
MICRO
Type
Laboratory
First Released
Version 2.29
Last Updated
Version 2.56
Change Reason
Property has been changed from ACnc to reflect the fact that the definition of high or low avidity is determined by a defined cut-off point (threshold). The System was changed from ser, and an example answer list added for newly provided procedure information.; 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.; 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

Example Answer List LL3257-4

Source: Roche Diagnostics International

Answer Code Score Answer ID
High avidity LA22673-0
Gray-zone LA22672-2
Low avidity LA22671-4

Member of these Panels

LOINC Long Common Name
60442-1 HEDIS 2011 panel
67767-4 HEDIS 2012 panel
72199-3 HEDIS 2013 panel
74234-6 HEDIS 2014 Value Sets
75868-0 HEDIS 2015 Value Sets
79544-3 HEDIS 2016 Value Sets
82955-6 HEDIS 2017 Value Sets
87625-0 HEDIS 2018 Value Sets
90766-7 HEDIS 2019 Value Sets

Language Variants Get Info

zh-CNChinese (China)
刚地弓形虫 抗体.IgG 亲合力:存在情况或阈值:时间点:血清/血浆:序数型:免疫测定法
nl-NLDutch (Netherlands)
Toxoplasma gondii As.IgG-aviditeit:aanwezigheid:moment:serum of plasma:ordinaal:immunoassay
et-EEEstonian (Estonia)
Toxoplasma gondii antikehad.IgG aviidsus:PrThr:Pt:S/P:Ord:IA
fr-BEFrench (Belgium)
Toxoplasma gondii Anticorps.avidité des IgG:PrThr:Temps ponctuel:Sérum/Plasma:Ordinal:IA
fr-CAFrench (Canada)
Toxoplasma gondii , Ac.avidité des IgG:Présence-Seuil:Temps ponctuel:Sérum/Plasma:Ordinal:IA
fr-FRFrench (France)
Toxoplasma gondii Ab.IgG avidity:PrThr:Pt:Ser/Plas:Ord:IA
de-DEGerman (Germany)
Toxoplasma gondii Ak.IgG-Avidität:AKnz:Pkt:Ser:Ord:EIA
it-ITItalian (Italy)
Toxoplasma gondii , Ab.avidità IgG:PrThr:Pt:Siero/Plasma:Ord:IA
pt-BRPortuguese (Brazil)
Toxoplasma gondii Ac.IgG avidez:#N/A:Pt:Soro:Ord:Imunoensaio
ru-RURussian (Russian Federation)
Toxoplasma gondii Ат.IgG авидность:PrThr:ТчкВрм:Сыв/Плаз:Пор:IA
es-ESSpanish (Spain)
Toxoplasma gondii Avidez IgG:PrThr:Punto temporal:Suero o Plasma:Ord:IA
tr-TRTurkish (Turkey)
Toxoplasma gondii Ab.IgG avidite:MevcEşik:Zmlı:Ser/Plaz:Srl:İA

LOINC FHIR® API Example - CodeSystem Request Get Info

https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=56991-3