LOINCActiveBoth

LOINC Code 31754-5: Brucella sp Ag Ql (Placenta)

31754-5 is a LOINC code used to identify Brucella sp Ag Ql (Placenta) 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 Ag. It is commonly used with the system or sample type Placenta.

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 sp Ag. It is commonly used with the system or sample type Placenta.

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

What it does not mean

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

Key facts

  • Brucella sp Ag [Presence] in Placenta
  • Brucella sp Ag
  • Antigen; Antigens; Bruc; Brucellosis; ID; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Placent; Placental; Point in time; PR; QL; Qual; Qualitative; Random; Screen; species; spp

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 Ag Ql (Placenta)Brucella sp Ag [Presence] in PlacentaBrucella Ag Placenta QlBrucella sp AgMICROBrucella sp antigen, PlacentaPrThr

Frequently asked questions

Code details

Code31754-5
SystemLOINC
Display nameBrucella sp Ag Ql (Placenta)
DescriptionBrucella sp Ag
Short nameBrucella Ag Placenta Ql
ComponentBrucella sp Ag
PropertyPrThr
TimingPt
System (specimen)Placenta
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.07
Last changed2.63

Consumer names

Brucella sp antigen, Placenta

Part names

Brucella sp AgPrThrPtPlacentaOrdPresence or ThresholdPoint in time (spot)

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 31754-5 | HealthAssure