What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 51671-6: Brucella sp Ab Tube agglutination (S) [Titer]

Name: LOINC Code 51671-6: Brucella sp Ab Tube agglutination (S) [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:35.013Z

51671-6 is a LOINC code used to identify Brucella sp Ab Tube agglutination (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 Brucella sp Ab. It is commonly used with the system or sample type Ser.

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 Brucella sp 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.standard tube

What it does not mean

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

Key facts

Brucella sp Ab [Titer] in Serum by Tube agglutination
Brucella sp Ab
ABS; Aby; Agg; Agglut; Agglutination; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Bruc; Brucellosis; Dilution factor; Dilution Factor (Titer); ID; Infectious Disease; InfectiousDisease; Microbiology; Point in time; Random; Serum; SmQn; species; spp; SR; TA; Titer; Titered; Titre; Ttr; Tube aggl

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

Brucella sp Ab Tube agglutination (S) [Titer]Brucella sp Ab [Titer] in Serum by Tube agglutinationBrucella Ab Titr Ser Tube agglBrucella sp AbMICROBrucella sp antibody, BloodTitr

Frequently asked questions

Code details

Code51671-6

SystemLOINC

Display nameBrucella sp Ab Tube agglutination (S) [Titer]

DescriptionBrucella sp Ab

Short nameBrucella Ab Titr Ser Tube aggl

ComponentBrucella sp Ab

PropertyTitr

TimingPt

System (specimen)Ser

ScaleSemiQn

MethodAggl.standard tube

ClassMICRO

Example unitstiter

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.24

Last changed2.75

Consumer names

Brucella sp antibody, Blood

Part names

Brucella sp AbTitrPtSerSemiQnAggl.standard tubeTiterPoint in time (spot)SerumTube agglutination

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.