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 13318-1: E. coli enteroinvasive identified Org specific cx Nom (Stl)

Name: LOINC Code 13318-1: E. coli enteroinvasive identified Org specific cx Nom (Stl)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

13318-1 is a LOINC code used to identify E. coli enteroinvasive identified Org specific cx Nom (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 enteroinvasive. 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 enteroinvasive. 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: Organism specific culture

What it does not mean

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

Key facts

Escherichia coli enteroinvasive identified in Stool by Organism specific culture
Escherichia coli enteroinvasive
Bowel movement; C&S; Cult; Cultures; E coli; E coli EIEC; Faecal; Faeces; Fecal; Feces; Gastro; Gastroenterology; GI; ID; Identity or presence; Infectious Disease; InfectiousDisease; Microbiology; Nominal; o002; Point in time; Random; Spec; 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 enteroinvasive identified Org specific cx Nom (Stl) (13318-1)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

E. coli enteroinvasive identified Org specific cx Nom (Stl)Escherichia coli enteroinvasive identified in Stool by Organism specific cultureE coli EIEC Stl CultEscherichia coli enteroinvasiveMICROEscherichia coli enteroinvasive culture, StoolPrid

Frequently asked questions

Code details

Code13318-1

SystemLOINC

Display nameE. coli enteroinvasive identified Org specific cx Nom (Stl)

DescriptionEscherichia coli enteroinvasive

Short nameE coli EIEC Stl Cult

ComponentEscherichia coli enteroinvasive

PropertyPrid

TimingPt

System (specimen)Stool

ScaleNom

MethodOrganism specific culture

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0j-a

Last changed2.79

Consumer names

Escherichia coli enteroinvasive culture, Stool

Part names

Escherichia coli enteroinvasivePridPtStoolNomOrganism specific culturePresence or IdentityPoint 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.