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 53955-1: E. coli O157 identified Org specific cx Nom (Isol)

Name: LOINC Code 53955-1: E. coli O157 identified Org specific cx Nom (Isol)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

53955-1 is a LOINC code used to identify E. coli O157 identified Org specific cx Nom (Isol) 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 Isolate.

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 Isolate.

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 O157 identified in Isolate by Organism specific culture
Escherichia coli O157
C&S; Cult; Cultures; E coli; E coli O157; ID; Identity or presence; Infectious Disease; InfectiousDisease; Islt; Isol; Microbiology; Nominal; o002; Point in time; Random; Spec

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 identified Org specific cx Nom (Isol) (53955-1)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

E. coli O157 identified Org specific cx Nom (Isol)Escherichia coli O157 identified in Isolate by Organism specific cultureE coli O157 Islt CultEscherichia coli O157MICROEscherichia coli O157 culturePrid

Frequently asked questions

Code details

Code53955-1

SystemLOINC

Display nameE. coli O157 identified Org specific cx Nom (Isol)

DescriptionEscherichia coli O157

Short nameE coli O157 Islt Cult

ComponentEscherichia coli O157

PropertyPrid

TimingPt

System (specimen)Isolate

ScaleNom

MethodOrganism specific culture

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.26

Last changed2.79

Consumer names

Escherichia coli O157 culture

Part names

Escherichia coli O157PridPtIsolateNomOrganism 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.