LOINCActiveBoth

LOINC Code 19243-5: B. abortus Ab IA Qn (S)

19243-5 is a LOINC code used to identify B. abortus Ab IA 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 abortus 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 abortus 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: IA

What it does not mean

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

Key facts

  • Brucella abortus Ab [Units/volume] in Serum by Immunoassay
  • Brucella abortus Ab
  • Abort; ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; B abortus; Bangs disease; Bovine brucellosis; Bruc; Brucellosis; Contagious abortion; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; SUDS; Undulant fever

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

B. abortus Ab IA Qn (S)Brucella abortus Ab [Units/volume] in Serum by ImmunoassayB abortus Ab Ser IA-aCncBrucella abortus AbMICROBrucella abortus antibody, BloodACnc

Frequently asked questions

Code details

Code19243-5
SystemLOINC
Display nameB. abortus Ab IA Qn (S)
DescriptionBrucella abortus Ab
Short nameB abortus Ab Ser IA-aCnc
ComponentBrucella abortus Ab
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.69

Consumer names

Brucella abortus antibody, Blood

Part names

Brucella abortus AbACncPtSerQnIAArbitrary ConcentrationPoint in time (spot)SerumImmunoassay

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 19243-5 | HealthAssure