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.

LOINCActiveObservation

LOINC Code 82303-9: E. coli O157 Cx Ql (Stl)

Name: LOINC Code 82303-9: E. coli O157 Cx Ql (Stl)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

82303-9 is a LOINC code used to identify E. coli O157 Cx 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 Escherichia coli O157. 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 Escherichia coli O157. 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: Observation
Method: Culture

What it does not mean

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

Key facts

Escherichia coli O157 [Presence] in Stool by Culture
Escherichia coli O157
Bowel movement; C&S; Cult; Cultures; E coli; E coli O157; Faecal; Faeces; Fecal; Feces; Gastro; Gastroenterology; GI; ID; Infectious Disease; InfectiousDisease; Microbiology; o002; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Stl; Stool = Fecal

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 E. coli O157 Cx Ql (Stl) (82303-9)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

E. coli O157 Cx Ql (Stl)Escherichia coli O157 [Presence] in Stool by CultureE coli O157 Stl Ql CultEscherichia coli O157MICROEscherichia coli O157 culture, StoolPrThr

Frequently asked questions

Code details

Code82303-9

SystemLOINC

Display nameE. coli O157 Cx Ql (Stl)

DescriptionEscherichia coli O157

Short nameE coli O157 Stl Ql Cult

ComponentEscherichia coli O157

PropertyPrThr

TimingPt

System (specimen)Stool

ScaleOrd

MethodCulture

ClassMICRO

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.58

Last changed2.58

Consumer names

Escherichia coli O157 culture, Stool

Part names

Escherichia coli O157PrThrPtStoolOrdCulturePresence 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.