LOINCActiveBoth

LOINC Code 16283-4: E. coli verotoxin Ql (Specimen)

16283-4 is a LOINC code used to identify E. coli verotoxin Ql (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 Escherichia coli verotoxin. 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 Escherichia coli verotoxin. 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

What it does not mean

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

Key facts

  • Escherichia coli verotoxin [Presence] in Specimen
  • Escherichia coli verotoxin
  • E coli; E coli VTN; ID; Infectious Disease; InfectiousDisease; Microbiology; Misc; Miscellaneous; o002; Ordinal; Other; Point in time; PR; QL; Qual; Qualitative; Random; Screen; 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

E. coli verotoxin Ql (Specimen)Escherichia coli verotoxin [Presence] in SpecimenE coli VTN Spec QlEscherichia coli verotoxinMICROEscherichia coli verotoxin, SpecimenPrThr

Frequently asked questions

Code details

Code16283-4
SystemLOINC
Display nameE. coli verotoxin Ql (Specimen)
DescriptionEscherichia coli verotoxin
Short nameE coli VTN Spec Ql
ComponentEscherichia coli verotoxin
PropertyPrThr
TimingPt
System (specimen)XXX
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.73

Consumer names

Escherichia coli verotoxin, Specimen

Part names

Escherichia coli verotoxinPrThrPtXXXOrdPresence 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 16283-4 | HealthAssure