LOINCActiveBoth

LOINC Code 44090-9: E. coli O157:H7 Org specific cx Ql (Isol)

44090-9 is a LOINC code used to identify E. coli O157:H7 Org specific cx Ql (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:H7. It is commonly used with the system or sample type Isolate.

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 Escherichia coli O157:H7. 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 O157H7 [Presence] in Isolate by Organism specific culture
Escherichia coli O157H7
C&S; Cult; Cultures; E coli; E coli O157; E coli O157H7; Enterohemorrhagic E. coli; ID; Infectious Disease; InfectiousDisease; Islt; Isol; Microbiology; o002; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; 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.

Common synonyms

E. coli O157:H7 Org specific cx Ql (Isol)Escherichia coli O157:H7 [Presence] in Isolate by Organism specific cultureE coli O157H7 Islt Ql CultEscherichia coli O157:H7MICROEscherichia coli O157:H7 culturePrThr

Frequently asked questions

Code details

Code44090-9
SystemLOINC
Display nameE. coli O157:H7 Org specific cx Ql (Isol)
DescriptionEscherichia coli O157:H7
Short nameE coli O157H7 Islt Ql Cult
ComponentEscherichia coli O157:H7
PropertyPrThr
TimingPt
System (specimen)Isolate
ScaleOrd
MethodOrganism specific culture
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.73

Consumer names

Escherichia coli O157:H7 culture

Part names

Escherichia coli O157:H7PrThrPtIsolateOrdOrganism specific culturePresence or ThresholdPoint 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 44090-9 | HealthAssure