LOINC Code 29563-4: La Crosse virus neut ab Neut test (S) [Titer]

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component La Crosse virus Ab.Neut. It is commonly used with the system or sample type Ser.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Order vs observation: Both
• Method: Neut

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• La Crosse virus neutralizing antibody [Titer] in Serum by Neutralization test
• La Crosse virus Ab.Neut
• 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.
• ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; California Encephalitis Virus; Conventional virus neutralization test; cVNT; Dilution factor; Dilution Factor (Titer); ID; Infectious Disease; InfectiousDisease; Lacrosse virus; LACV; Microbiology; NAb; NEUTRALIZATION; Neutralization test; NT; Point in time; Random; Serum; Serum virus neutralization; SmQn; SR; SVN; Titer; Titered; Titre; Ttr; Virus neutralization test; VNT

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Related SNOMED CT concepts

Related observations and tests

Common synonyms

Frequently asked questions