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 20800-9: C. perfringens enterotoxin Ql (Small intestine Fixed)

Name: LOINC Code 20800-9: C. perfringens enterotoxin Ql (Small intestine Fixed)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:28.850Z

20800-9 is a LOINC code used to identify C. perfringens enterotoxin Ql (Small intestine Fixed) 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 Clostridium perfringens enterotoxin. It is commonly used with the system or sample type Small intes fixed.

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 Clostridium perfringens enterotoxin. It is commonly used with the system or sample type Small intes fixed.

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

What it does not mean

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

Key facts

Clostridium perfringens enterotoxin [Presence] in Small intestine Fixed
Clostridium perfringens enterotoxin
C perfringens; C perfringens Etx; Etx; Fixed small intestine; Fsmi; ID; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen

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

C. perfringens enterotoxin Ql (Small intestine Fixed)Clostridium perfringens enterotoxin [Presence] in Small intestine FixedC perfringens Etx Fsmi QlClostridium perfringens enterotoxinMICROClostridium perfringens enterotoxin, Small intestine fixedPrThr

Frequently asked questions

Code details

Code20800-9

SystemLOINC

Display nameC. perfringens enterotoxin Ql (Small intestine Fixed)

DescriptionClostridium perfringens enterotoxin

Short nameC perfringens Etx Fsmi Ql

ComponentClostridium perfringens enterotoxin

PropertyPrThr

TimingPt

System (specimen)Small intes fixed

ScaleOrd

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0m

Last changed2.56

Consumer names

Clostridium perfringens enterotoxin, Small intestine fixed

Part names

Clostridium perfringens enterotoxinPrThrPtSmall intes fixedOrdPresence or ThresholdPoint in time (spot)Small intestine Fixed

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.