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 20423-0: Beta lactamase organism identified Nom (Isol)

Name: LOINC Code 20423-0: Beta lactamase organism identified Nom (Isol)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

20423-0 is a LOINC code used to identify Beta lactamase organism identified 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 Beta lactamase organism. 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 Beta lactamase organism. 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

What it does not mean

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

Key facts

Beta lactamase organism identified in Isolate
Beta lactamase organism
B; Betalactamase; B-Lactamase; B-Lactamase Organism; ID; Identity or presence; Infectious Disease; InfectiousDisease; Islt; Isol; Microbiology; Nominal; Point in time; Random; 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 Beta lactamase organism identified Nom (Isol) (20423-0)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Beta lactamase organism identified Nom (Isol)Beta lactamase organism identified in IsolateB-Lactamase Organism IsltBeta lactamase organismMICROBeta lactamase organism testPrid

Frequently asked questions

Code details

Code20423-0

SystemLOINC

Display nameBeta lactamase organism identified Nom (Isol)

DescriptionBeta lactamase organism

Short nameB-Lactamase Organism Islt

ComponentBeta lactamase organism

PropertyPrid

TimingPt

System (specimen)Isolate

ScaleNom

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0m

Last changed2.79

Consumer names

Beta lactamase organism test

Part names

Beta lactamase organismPridPtIsolateNomPresence 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.