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 16490-5: B. suis Ab LA Qn (S)

Name: LOINC Code 16490-5: B. suis Ab LA Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

16490-5 is a LOINC code used to identify B. suis Ab LA Qn (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 Brucella suis 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 Brucella suis 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: LA

What it does not mean

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

Key facts

Brucella suis Ab [Units/volume] in Serum by Latex agglutination
Brucella suis Ab
ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; B suis; Bruc; Brucellosis; ID; Infectious Disease; InfectiousDisease; LAT; Latex agglutination; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random; 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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for B. suis Ab LA Qn (S) (16490-5)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

B. suis Ab LA Qn (S)Brucella suis Ab [Units/volume] in Serum by Latex agglutinationB suis Ab Ser LA-aCncBrucella suis AbMICROBrucella suis antibody, BloodACnc

Frequently asked questions

Code details

Code16490-5

SystemLOINC

Display nameB. suis Ab LA Qn (S)

DescriptionBrucella suis Ab

Short nameB suis Ab Ser LA-aCnc

ComponentBrucella suis Ab

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

MethodLA

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.69

Consumer names

Brucella suis antibody, Blood

Part names

Brucella suis AbACncPtSerQnLAArbitrary ConcentrationPoint in time (spot)SerumLatex 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.