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 22946-8: Brucella sp Ag IF Ql (Tiss fetus)

Name: LOINC Code 22946-8: Brucella sp Ag IF Ql (Tiss fetus)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:30.727Z

22946-8 is a LOINC code used to identify Brucella sp Ag IF Ql (Tiss fetus) 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 Tiss^Fetus.

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 Ag. It is commonly used with the system or sample type Tiss^Fetus.

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: IF

What it does not mean

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

Key facts

Brucella sp Ag [Presence] in Tissue from Fetus by Immunofluorescence
Brucella sp Ag
ACIF; Anticomplement Immunofluorescence; Antigen; Antigens; Bruc; Brucellosis; DFA; FA; Fetal; Fluorescent antibody; Fluoresent; Gyn; Gynecology; ID; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Microbiology; OB; ObGyn; Obstetrics; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; species; spp; Time Resolved Fluorescence; Tissue; Tissue, unspecified; TRF

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 IF Ql (Tiss fetus)Brucella sp Ag [Presence] in Tissue from Fetus by ImmunofluorescenceBrucella Ag Tiss Fetus Ql IFBrucella sp AgMICROFetal Brucella sp antigenPrThr

Frequently asked questions

Code details

Code22946-8

SystemLOINC

Display nameBrucella sp Ag IF Ql (Tiss fetus)

DescriptionBrucella sp Ag

Short nameBrucella Ag Tiss Fetus Ql IF

ComponentBrucella sp Ag

PropertyPrThr

TimingPt

System (specimen)Tiss^Fetus

ScaleOrd

MethodIF

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0n

Last changed2.56

Consumer names

Fetal Brucella sp antigen

Part names

Brucella sp AgPrThrPtTiss^fetusOrdIFPresence or ThresholdPoint in time (spot)Immunofluorescence (IF)

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.