LOINCActiveBoth

LOINC Code 73664-5: Yersinia adhesion protein YadA Ql (Isol)

73664-5 is a LOINC code used to identify Yersinia adhesion protein YadA Ql (Isol) 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 adhesion protein YadA. It is commonly used with the system or sample type Isolate.

Reviewed by HealthAssure Clinical TeamUpdated 21 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 adhesion protein YadA. It is commonly used with the system or sample type Isolate.

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

What it does not mean

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

Key facts

  • Yersinia adhesion protein YadA [Presence] in Isolate
  • Yersinia adhesion protein YadA
  • Test is performed to differentiate pathogenic yersinia from non pathogenic. Pathogenic Yersinia causes autoagglutination at 37°C subculturing in nutrient broth, indicating the presence of the virulence adhesive protein YadA.
  • ID; Infectious Disease; InfectiousDisease; Islt; Isol; Microbiology; Ordinal; Point in time; PR; Prot; QL; Qual; Qualitative; Random; Screen; Yersinia YadA

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

Yersinia adhesion protein YadA Ql (Isol)Yersinia adhesion protein YadA [Presence] in IsolateYersinia YadA Islt QlYersinia adhesion protein YadAMICROPrThrPt

Frequently asked questions

Code details

Code73664-5
SystemLOINC
Display nameYersinia adhesion protein YadA Ql (Isol)
DescriptionYersinia adhesion protein YadA
Short nameYersinia YadA Islt Ql
ComponentYersinia adhesion protein YadA
PropertyPrThr
TimingPt
System (specimen)Isolate
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.44
Last changed2.56

Consumer names

Yersinia adhesion protein yadA

Part names

Yersinia adhesion protein YadAPrThrPtIsolateOrdPresence or ThresholdPoint in time (spot)

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.