LOINCActiveBoth

LOINC Code 20731-6: B. abortus Ab IA RST Ql (S)

20731-6 is a LOINC code used to identify B. abortus Ab IA RST 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 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: EIA.RST

What it does not mean

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

Key facts

  • Brucella abortus Ab [Presence] in Serum by Immunoassay (EIA) RST
  • Brucella abortus Ab
  • Abort; ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; B abortus; Bangs disease; Bovine brucellosis; Bruc; Brucellosis; Contagious abortion; EIA RST; ID; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; Undulant fever; Vet; Veterinary

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 RST Ql (S)Brucella abortus Ab [Presence] in Serum by Immunoassay (EIA) RSTB abortus Ab Ser Ql EIA RSTBrucella abortus AbMICROBrucella abortus antibody, BloodPrThr

Frequently asked questions

Code details

Code20731-6
SystemLOINC
Display nameB. abortus Ab IA RST Ql (S)
DescriptionBrucella abortus Ab
Short nameB abortus Ab Ser Ql EIA RST
ComponentBrucella abortus Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodEIA.RST
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.67

Consumer names

Brucella abortus antibody, Blood

Part names

Brucella abortus AbPrThrPtSerOrdEIA.RSTPresence or ThresholdPoint in time (spot)SerumImmunoassay (EIA) RST

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.