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 20761-3: C. difficile Aggl Ql (Stl)

Name: LOINC Code 20761-3: C. difficile Aggl Ql (Stl)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

20761-3 is a LOINC code used to identify C. difficile Aggl Ql (Stl) 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 Clostridioides difficile. It is commonly used with the system or sample type Stool.

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 Clostridioides difficile. It is commonly used with the system or sample type Stool.

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: Aggl

What it does not mean

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

Key facts

Clostridioides difficile [Presence] in Stool by Agglutination
Clostridioides difficile
Agg; Agglut; Agglutination; Bowel movement; C diff; C difficile; Clostridium difficile; Faecal; Faeces; Fecal; Feces; ID; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Stl; Stool = Fecal; UniversalLabOrders

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 C. difficile Aggl Ql (Stl) (20761-3)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

C. difficile Aggl Ql (Stl)Clostridioides difficile [Presence] in Stool by AgglutinationC diff Stl Ql AgglClostridioides difficileMICROClostridioides difficile, StoolPrThr

Frequently asked questions

Code details

Code20761-3

SystemLOINC

Display nameC. difficile Aggl Ql (Stl)

DescriptionClostridioides difficile

Short nameC diff Stl Ql Aggl

ComponentClostridioides difficile

PropertyPrThr

TimingPt

System (specimen)Stool

ScaleOrd

MethodAggl

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0m

Last changed2.73

Consumer names

Clostridioides difficile, Stool

Part names

Clostridioides difficilePrThrPtStoolOrdAgglPresence or ThresholdPoint in time (spot)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.