LOINCActiveBoth

LOINC Code 40498-8: Y. enterocolitica Ab Aggl (S) [Titer]

40498-8 is a LOINC code used to identify Y. enterocolitica Ab Aggl (S) [Titer] 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 Yersinia enterocolitica 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 Yersinia enterocolitica 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

  • Yersinia enterocolitica Ab [Titer] in Serum by Agglutination
  • Yersinia enterocolitica Ab
  • ABS; Aby; Agg; Agglut; Agglutination; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); ID; Infectious Disease; InfectiousDisease; Microbiology; Point in time; Random; Serum; SmQn; SR; Titer; Titered; Titre; Ttr; Y enterocol; Y enterocolitica

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

Y. enterocolitica Ab Aggl (S) [Titer]Yersinia enterocolitica Ab [Titer] in Serum by AgglutinationY enterocol Ab Titr Ser AgglYersinia enterocolitica AbMICROYersinia enterocolitica antibody, BloodTitr

Frequently asked questions

Code details

Code40498-8
SystemLOINC
Display nameY. enterocolitica Ab Aggl (S) [Titer]
DescriptionYersinia enterocolitica Ab
Short nameY enterocol Ab Titr Ser Aggl
ComponentYersinia enterocolitica Ab
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodAggl
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.15
Last changed2.75

Consumer names

Yersinia enterocolitica antibody, Blood

Part names

Yersinia enterocolitica AbTitrPtSerSemiQnAgglTiterPoint 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 40498-8 | HealthAssure