LOINCActiveBoth

LOINC Code 29728-3: L. interrogans sv Javanica Ab Aggl Ql (S)

29728-3 is a LOINC code used to identify L. interrogans sv Javanica 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 Leptospira interrogans serovar Javanica 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 Leptospira interrogans serovar Javanica 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

  • Leptospira interrogans sv Javanica Ab [Presence] in Serum by Agglutination
  • Leptospira interrogans serovar Javanica Ab
  • ABS; Aby; Agg; Agglut; Agglutination; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; ID; Infectious Disease; InfectiousDisease; L inter; L inter Javani; L interrogans; Leptospirosis; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR

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

L. interrogans sv Javanica Ab Aggl Ql (S)Leptospira interrogans sv Javanica Ab [Presence] in Serum by AgglutinationL inter Javani Ab Ser Ql AgglLeptospira interrogans serovar Javanica AbMICROLeptospira interrogans serovar Javanica antibody, BloodPrThr

Frequently asked questions

Code details

Code29728-3
SystemLOINC
Display nameL. interrogans sv Javanica Ab Aggl Ql (S)
DescriptionLeptospira interrogans serovar Javanica Ab
Short nameL inter Javani Ab Ser Ql Aggl
ComponentLeptospira interrogans serovar Javanica Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodAggl
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.03
Last changed2.56

Consumer names

Leptospira interrogans serovar Javanica antibody, Blood

Part names

Leptospira interrogans serovar Javanica AbPrThrPtSerOrdAgglLeptospira interrogans sv Javanica AbPresence 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 29728-3 | HealthAssure