PRRSV ORF5 gene sequence homology to Lelystad in Isolate by Sequencing   74307-0

LOINC Code


LOINC code74307-0
namePRRSV ORF5 gene sequence homology to Lelystad in Isolate by Sequencing
descriptionPercent genomic homology between a new isolated PRRS virus strain and a PPRS vaccine strain (e.g. Lelystad, Fostera, IngelvacMLV or IngelvacATP) is based on the number of matching amino acids per total amino acids sequenced in the open reading frame 5 (ORF5) gene. The more homologous the ORF5 gene sequences, the more closely the variants are related. It is thought that sequence homology between isolates and vaccines will predict vaccine efficacy, however this is currently debated since little is known about the immune response to PRRS virus.
statusACTIVE

Fully-Specified Name

componentPorcine reproductive and respiratory syndrome virus ORF5 gene sequence homology to Lelystad
propertyNFr  =  Number Fraction
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
systemIsolate
scaleQn  =  Quantitative:  The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256
methodSequencing

Additional Names

short namePRRSV Lelystad Hmlgy Islt Seq-NFr

Basic Attributes

classMICRO
type1  Laboratory
order vs. observationBoth
formula (readable)(#of matching amino acids/total amino acids sequenced)*100 = % homology
example UCUM units%
The Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measures being contemporarily used in international science, engineering, and business (www.unitsofmeasure.org)
example unit%

Associated Observations

LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations.

History/Usage

first released
last updated2.64
last change typeMIN  - change to field other than name
change reasonAbbreviated "Porcine reproductive and respiratory syndrome virus" to "PRRSV" in the Long Common Name. PRRSV is shorter and more commonly used in test names.

Related Names

Abortus blauw
Blue-eared pig disease
high-throughput sequencing
HTS
Islt
Isol
Lelystad virus
Microbiology
Mystery swine disease
Next generation sequencing
NGS
Number fraction
Percent
Point in time
Porcine epidemic abortion & respiratory syndrome
Porcine reproductive and respiratory syndrome
Pork
PRRS
PRRSV
PRRSV Lelystad Hmlgy
PRRSV ORF5 gene
PRRSV ORF5 seq
QNT
Quan
Quant
Quantitative
Random
Seuchenhafter spatabort der schweine
SIRSV
Swine
Swine infertility and respiratory syndrome
Syndrome dysgenesique et respiratoire porcin
Vet
Veterinary

Copyright © 2024 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2024, 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.

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