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 88258-9: E. coli oppA gene Probe Ql (Pos bld culture)

Name: LOINC Code 88258-9: E. coli oppA gene Probe Ql (Pos bld culture)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:16.697Z

88258-9 is a LOINC code used to identify E. coli oppA gene Probe Ql (Pos bld culture) 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 oppA gene. It is commonly used with the system or sample type Bld.pos growth.

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 oppA gene. It is commonly used with the system or sample type Bld.pos growth.

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: Probe

What it does not mean

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

Key facts

Escherichia coli oppA gene [Presence] by Probe in Positive blood culture
Escherichia coli oppA gene
Bld Pos; Blood; DNA NUCLEIC ACID PROBE; DNA probe; E coli; EC oppA gene; ID; Infectious Disease; InfectiousDisease; Microbiology; o002; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; WB; Whole blood

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 oppA gene Probe Ql (Pos bld culture)Escherichia coli oppA gene [Presence] by Probe in Positive blood cultureEC oppA gene Bld Pos Ql ProbeEscherichia coli oppA geneMICROEscherichia coli oppA gene, Infected bloodPrThr

Frequently asked questions

Code details

Code88258-9

SystemLOINC

Display nameE. coli oppA gene Probe Ql (Pos bld culture)

DescriptionEscherichia coli oppA gene

Short nameEC oppA gene Bld Pos Ql Probe

ComponentEscherichia coli oppA gene

PropertyPrThr

TimingPt

System (specimen)Bld.pos growth

ScaleOrd

MethodProbe

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.63

Last changed2.73

Consumer names

Escherichia coli oppA gene, Infected blood

Part names

Escherichia coli oppA genePrThrPtBld.pos growthOrdProbePresence or ThresholdPoint in time (spot)Positive blood culture

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.