LOINC
Version 2.70

97185-3West Nile virus RNA [Presence] in Urine by NAA with probe detectionActive

Part Description

LP28423-9   West Nile virus
The West Nile Virus (WNV) is an arbovirus that was first identified in the West Nile District of Uganda in 1937. In the fall of 1999, the National Veterinary Services Laboratory (NVLS) isolated WNV in a dead crow in New York City.(http://www.who.int/mediacentre/factsheets/fs354/en/) Over the following ten years, WNV spread throughout the United States, Canada, Mexico and the Carribbean. WNV is usually transmitted through the bite of the Culex mosquito, but can also be spread in blood transfusions, organ transplants, breast milk, intrauterine exposure and laboratory-acquired infections. Birds are the preferred host of WNV, and the American robin is an important amplifier host since it develops enough virus in its serum to infect feeding mosquitoes. Though most infections with WNV are subclinical for humans, between 2005 and 2009 there were 12,975 people infected with WNV, of which 35% had severe cases of neuroinvasive disease and 496 people died. For individuals who are 70 years of age or older, infection with WNV has a 15-29% fatality rate. For infants and immunocompromised patients infected with WNV, the fatality rate is even higher. Diagnosis of WNV is based on clinical symptoms and antibody titers. The IgM antibody-capture enzyme-linked immunosorbent assay (MAC-ELISA) is the key method used to diagnosis WNV in clinical settings. Antibody titers to WNV NS5 are detectable long-term in vivo and can be used to distinguish past infection with WNV from current infection. RNA is usually undetectable in serum after 13.2 days, but on rare occasions, has been found in serum beyond 40 days. Treatment of infection with WNV is mostly supportive. There are no FDA-approved drugs or vaccines available. [PMID: 12089283] [PMID: 23034323] Source: Regenstrief LOINC

Fully-Specified Name

Component
West Nile virus RNA
Property
PrThr
Time
Pt
System
Urine
Scale
Ord
Method
Probe.amp.tar

Additional Names

Short Name
WNV RNA Ur Ql NAA+probe
Display Name
West Nile virus RNA NAA+probe Ql (U)
Consumer Name Alpha
West Nile virus, Urine

Example Answer List LL360-9

Source: Regenstrief Institute

Answer Code Score Answer ID
Positive Copyright http://snomed.info/sct ID:10828004 Positive (qualifier value) LA6576-8
Negative Copyright http://snomed.info/sct ID:260385009 Negative (qualifier value) LA6577-6

Basic Attributes

Class
MICRO
Type
Laboratory
First Released
Version 2.70
Last Updated
Version 2.70
Order vs. Observation
Both

Member of these Groups

LG32768-0 West Nile virus

Language Variants Get Info

zh-CNChinese (China)
西尼罗河病毒 RNA:存在情况或阈值:时间点:尿液:序数型:探针法.基因扩增.靶向
nl-NLDutch (Netherlands)
West-Nijlvirus RNA:aanwezigheid:moment:urine:ordinaal:moleculaire techniek (PCR)
fr-BEFrench (Belgium)
Virus du Nil occidental ARN:PrThr:Temps ponctuel:Urine:Ordinal:Sonde avec amplification de la cible
fr-CAFrench (Canada)
Virus du Nil occidental , ARN:Présence-Seuil:Temps ponctuel:Urine:Ordinal:Sonde avec amplification de la cible
it-ITItalian (Italy)
Nilo occidentale, virus RNA:PrThr:Pt:Urine:Ord:Sonda.amp.tar
ru-RURussian (Russian Federation)
Западный Нил вирус РНК:PrThr:ТчкВрм:Моча:Пор:Проба.усил.миш
es-ESSpanish (Spain)
Virus Nilo Occidental RNA:PrThr:Punto temporal:Orina:Ord:Sonda con amplificación dirigida
tr-TRTurkish (Turkey)
Batı Nil virüsü RNA:MevcEşik:Zmlı:İdrar:Srl:Prob.amf.hdf

LOINC FHIR® API Example - CodeSystem Request Get Info

https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=97185-3