LOINCActiveBoth

LOINC Code 35879-6: E. coli O157:H7 IgG Qn (S)

35879-6 is a LOINC code used to identify E. coli O157:H7 IgG Qn (S) 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 Ab.IgG. It is commonly used with the system or sample type Ser.

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 Ab.IgG. It is commonly used with the system or sample type Ser.

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 O157H7 IgG Ab [Units/volume] in Serum
Escherichia coli O157H7 Ab.IgG
ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; E coli; E coli O157; E coli O157H7; Enterohemorrhagic E. coli; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; Microbiology; o002; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR

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 IgG Qn (S)Escherichia coli O157:H7 IgG Ab [Units/volume] in SerumE coli O157H7 IgG Ser-aCncEscherichia coli O157:H7 Ab.IgGMICROEscherichia coli O157:H7 IgG antibody, BloodACnc

Frequently asked questions

Code details

Code35879-6
SystemLOINC
Display nameE. coli O157:H7 IgG Qn (S)
DescriptionEscherichia coli O157:H7 Ab.IgG
Short nameE coli O157H7 IgG Ser-aCnc
ComponentEscherichia coli O157:H7 Ab.IgG
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.13
Last changed2.69

Consumer names

Escherichia coli O157:H7 IgG antibody, Blood

Part names

Escherichia coli O157:H7 Ab.IgGACncPtSerQnEscherichia coli O157:H7 IgGArbitrary ConcentrationPoint in time (spot)Serum

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 35879-6 | HealthAssure