LOINCActiveBoth

LOINC Code 100899-4: Enterobacteriaceae.extended spectrum beta lactamase resistance phenotype Org specific cx (Specimen)

100899-4 is a LOINC code used to identify Enterobacteriaceae.extended spectrum beta lactamase resistance phenotype Org specific cx (Specimen) 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 Enterobacteriaceae.extended spectrum beta lactamase resistance phenotype. It is commonly used with the system or sample type XXX.

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 Enterobacteriaceae.extended spectrum beta lactamase resistance phenotype. It is commonly used with the system or sample type XXX.

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

  • Enterobacteriaceae.extended spectrum beta lactamase resistance phenotype [Identifier] in Specimen by Organism specific culture
  • Enterobacteriaceae.extended spectrum beta lactamase resistance phenotype
  • B; Betalactamase; B-Lactamase; C&S; Cult; Cultures; Enterobac.ESBL pheno; Identity or presence; Microbiology; Misc; Miscellaneous; Nominal; Other; Point in time; Random; Resist; Resistanc; Resistant; Resistent; Spec; To be specified in another part of the message; Unspecified

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

Enterobacteriaceae.extended spectrum beta lactamase resistance phenotype Org specific cx (Specimen)Enterobacteriaceae.extended spectrum beta lactamase resistance phenotype [Identifier] in Specimen by Organism specific cultureEnterobac.ESBL pheno Spec CultEnterobacteriaceae.extended spectrum beta lactamase resistance phenotypeMICROEnterobacteriaceae.extended spectrum beta lactamase resistance phenotype culture, SpecimenPrid

Frequently asked questions

Code details

Code100899-4
SystemLOINC
Display nameEnterobacteriaceae.extended spectrum beta lactamase resistance phenotype Org specific cx (Specimen)
DescriptionEnterobacteriaceae.extended spectrum beta lactamase resistance phenotype
Short nameEnterobac.ESBL pheno Spec Cult
ComponentEnterobacteriaceae.extended spectrum beta lactamase resistance phenotype
PropertyPrid
TimingPt
System (specimen)XXX
ScaleNom
MethodOrganism specific culture
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.73
Last changed2.73

Consumer names

Enterobacteriaceae.extended spectrum beta lactamase resistance phenotype culture, Specimen

Part names

Enterobacteriaceae.extended spectrum beta lactamase resistance phenotypePridPtXXXNomOrganism 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.

LOINC Code 100899-4 | HealthAssure