85550-2
LaboratoryPRRSV North American strain neutralizing antibody [Presence] in Serum by Neutralization test
Definition
Neutralization methods such as fluorescent focus neutralization (FFN) is used to confirm positive Porcine Reproductive and Respiratory Syndrome (PRRS) results found with screening methods such as ELISA. It uses sample and control serums that are diluted and incubated on the PRRSV infected cells followed by florescent microscopic examination for characteristic patterns of fluorescent staining. Antibody can be detected in experimenally infected pigs 7 to 10 days post inoculation. Serum samples are screened at a 1:20 dilution to determine the presence or absence of the organism. (USDA).
LOINC 6-Axis Classification
Component
Porcine reproductive and respiratory syndrome virus North American strain Ab.Neut
Property
PrThr
Time Aspect
Pt
System
Ser
Scale Type
Ord
Method Type
Neut
Details
Class
MICRO
Order/Observation
Observation
Short Name
PRRSV NA strain NAb Ser Ql Nt
Display Name
PRRSV North American strain neut ab Neut test Ql (S)
Related Names
Frequently Asked Questions
What is LOINC code 85550-2?
LOINC code 85550-2 identifies "PRRSV North American strain neutralizing antibody [Presence] in Serum by Neutralization test". Neutralization methods such as fluorescent focus neutralization (FFN) is used to confirm positive Porcine Reproductive and Respiratory Syndrome (PRRS) results found with screening methods such as ELISA. It uses sample and control serums that are diluted and incubated on the PRRSV infected cells followed by florescent microscopic examination for characteristic patterns of fluorescent staining. Antibody can be detected in experimenally infected pigs 7 to 10 days post inoculation. Serum samples are screened at a 1:20 dilution to determine the presence or absence of the organism. (USDA).
What does 85550-2 measure?
This code measures Porcine reproductive and respiratory syndrome virus North American strain Ab.Neut in Ser. It belongs to the MICRO class in the LOINC classification.
What is LOINC?
LOINC (Logical Observation Identifiers Names and Codes) is a universal standard for identifying laboratory and clinical observations. It is maintained by the Regenstrief Institute and used worldwide for health data exchange.