Version 2.78

Term Description

California encphalitis virus has more than 20 strains- most of which include "strain" in the name, One of these, La Crosse vIrus, has a name that does not signal that it is a strain of California encephalitis.
Source: Regenstrief LOINC

Part Descriptions

LP14236-1   La Crosse virus
La Crosse virus is a mosquito-borne virus causing encephalitis in the United States at higher rates than bacterial meningitis. The disease is recurrent during warm seasons in the Mid-West and mid-Atlantic whose hardwood trees provide breeding sites for the mosquito species Aedes triseriatus. Testing for La Crosse virus should be perfomed on young patients with symptoms of encephalitis in these two parts of the United States during the summer and fall. PMID: 9494831 Source: Regenstrief LOINC

LP14236-1   La Crosse virus
La Crosse encephalitis is an encephalitis caused by an arbovirus (the La Crosse virus) which has a mosquito vector (Ochlerotatus triseriatus synonym Aedes triseriatus).

Historically, most cases of LAC encephalitis occur in the upper Midwestern states (Minnesota, Wisconsin, Iowa, Illinois, Indiana, and Ohio). Recently, more cases are being reported from states in the mid-Atlantic (West Virginia, Virginia and North Carolina) and southeastern (Alabama and Mississippi) regions of the country. Copyright Text is available under the Creative Commons Attribution/Share-Alike License. See http://creativecommons.org/licenses/by-sa/3.0/ for details. Source: Wikipedia, Wikipedia

LP207365-0   Ab.Neut
Neutralizing antibodies are antibodies that interfere with the interaction between the virus and its host cell receptor, therefore preventing infectivity. Neutralizing antibodies can be detected using a traditional VNT or other methods such as pseudovirus VNT and surrogate VNT. VNT and pseudovirus VNT use live virus (the actual virus or a recombinant virus that incorporates the viral antigen of interest, respectively) and cell culture to assess the virus-host interaction and whether neutralizing antibodies are present that block that interaction. Surrogate VNT (sVNT) does not use live virus but rather uses purified viral antigen and host cell receptor protein to mimic the same interaction. The sVNT method is currently (2021) represented in LOINC as IA, because it is an immunoassay-based method. Source: Regenstrief LOINC

LP6416-4   Neut
In LOINC, the Method "Neut" represents the virus neutralization test (VNT), also called conventional VNT, which is a specific laboratory method that is used primarily for identifying whether neutralizing antibodies for the virus of interest are present in the patient sample. The VNT involves incubating patient serum with the virus of interest, and then inoculating onto cell culture. If neutralizing antibodies are present and the virus is neutralized, the cells will not be infected. If neutralizing antibodies are not present, the virus will infect the cells in the cell culture. PMID: 32170698 This method can also be used to identify specific virus serotypes or strains, by performing separate tests in which serum is incubated with each of the specific virus serotypes or strains of interest. PMID: 169804 Source: Regenstrief LOINC

Fully-Specified Name

Component
La Crosse virus Ab.Neut
Property
Titr
Time
Pt
System
Ser
Scale
SemiQn
Method
Neut

Additional Names

Short Name
LACV NAb Titr Ser Nt
Display Name
La Crosse virus neut ab Neut test (S) [Titer]
Consumer Name Alpha Get Info
La Crosse virus neutralizing antibody, Blood

Basic Attributes

Class
MICRO
Type
Laboratory
First Released
Version 2.03
Last Updated
Version 2.75
Change Reason
Release 2.72: COMPONENT: Updated "Ab" to "Ab.Neut" since this test is detecting neutralizing antibodies.;
Order vs. Observation
Both

Language Variants Get Info

Tag Language Translation
es-AR Spanish (Argentina) [anticuerpo anti - ] virus La Crosse [Ac]:factor de dilución (titulación):punto en el tiempo:suero:cuantitativo:neutralización
es-ES Spanish (Spain) Virus La Crosse Anticuerpos antineutrófilos:Titulo / Factor de dilución:Punto temporal:Suero:Semicuantitativo:Prueba de neutralización
Synonyms: Semicuantitativo
es-MX Spanish (Mexico) LA Crosse virus Ab:Título:Punto temporal:Suero:Cuantitativo:Prueba de neutralización
fr-FR French (France) Virus de la Crosse Ac neutralisant:Titre:Ponctuel:Sérum:Semi-Quantitatif:Neutralisation
fr-CA French (Canada) Virus La Crosse Ac.neut:Titre:Temps ponctuel:Sérum:SemiQn:Test de neutralisation
it-IT Italian (Italy) La Crosse, virus Ab.Neut:Titr:Pt:Siero:SemiQn:Neut
Synonyms: anticorpo Microbiologia Punto nel tempo (episodio) Siero Test di neutralizzazione Titolo Virus di La Crosse
ko-KR Korean (Korea, Republic Of) 러크로스 바이러스 항체:역가:검사시점:혈청:정량:중화
nl-NL Dutch (Netherlands) La Crosse-virus As.neutraliserend:titer:moment:serum:semikwantitatief:neutralisatietest
Synonyms: antistof; antilichaam
pl-PL Polish (Poland) La Crosse wirus Ab.Neutralizujące:miano:punkt w czasie:surowica:półilościowy:test neutralizacji
Synonyms: Przeciwciała do wirusa La Crosse Przeciwciała neutralizujace do wirusa La Crosse Wirus La Crosse
pt-BR Portuguese (Brazil) La Crosse vírus Ac:Título:Pt:Soro:Qn:Teste de neutralização
Synonyms: ; LACV; California Encephalitis Virus; Lacrosse virus; Dilution factor; Titer; Titre; Ttr; Titered; Point in time; Random; Serum; SR; Quantitative; QNT; Quant; Quan; Nt; NT; Neutralization test; Antibodies; Autoantibody; Antibody; Autoantibodies; Antby; Acy; Anti; Microbiology
zh-CN Chinese (China) 拉克罗斯病毒 抗体.中和:滴定度:时间点:血清:半定量型:中和试验
Synonyms: Ab;自身抗体 La Crosse 病毒 Ab La Crosse 病毒;LACV;加利福尼亚脑炎病毒;加州脑炎病毒 La Crosse 病毒抗体 LACV Ab LACV 抗体 中和试验;中和抗体;中和 传染毒;传染毒素;滤过性病原体;病毒类;过滤性病原体 加利福尼亚脑炎病毒 Ab 加利福尼亚脑炎病毒抗体 加州脑炎病毒 Ab 加州脑炎病毒抗体 微生物学;微生物学试验;微生物学试验（培养、DNA、抗原及抗体） 拉克罗斯病毒 Ab 效价;滴定浓度;滴定率;滴定量;滴度;稀释倍数;稀释因子;稀释系数 时刻;随机;随意;瞬间

Example Units

Unit Source
{titer} Example UCUM Units

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

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=29563-4