LOINCActiveBoth

LOINC Code 23583-8: WEEV Ab Aggl Ql (S)

23583-8 is a LOINC code used to identify WEEV Ab Aggl Ql (S) in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Western equine encephalitis virus Ab. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 25 May 2026

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 Western equine encephalitis virus Ab. 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: Aggl

What it does not mean

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

Key facts

  • Western equine encephalitis virus Ab [Presence] in Serum by Agglutination
  • Western equine encephalitis virus Ab
  • Switzerland - Horses
  • ABS; Aby; Agg; Agglut; Agglutination; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Enc; Enceph; Encephalomyelitis; Equin; ID; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; Togavirus; WEE virus; WEEV; West

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.

Common synonyms

WEEV Ab Aggl Ql (S)Western equine encephalitis virus Ab [Presence] in Serum by AgglutinationWEEV Ab Ser Ql AgglWestern equine encephalitis virus AbMICROWEEV antibody, BloodPrThr

Frequently asked questions

Code details

Code23583-8
SystemLOINC
Display nameWEEV Ab Aggl Ql (S)
DescriptionWestern equine encephalitis virus Ab
Short nameWEEV Ab Ser Ql Aggl
ComponentWestern equine encephalitis virus Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodAggl
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0n
Last changed2.56

Consumer names

WEEV antibody, Blood

Part names

Western equine encephalitis virus AbPrThrPtSerOrdAgglPresence or ThresholdPoint in time (spot)SerumAgglutination

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 23583-8 | HealthAssure