LOINCActiveObservation

LOINC Code 106841-0: H. pylori Ag IA Qn (Stl)

106841-0 is a LOINC code used to identify H. pylori Ag IA Qn (Stl) 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 Helicobacter pylori Ag. It is commonly used with the system or sample type Stool.

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 Helicobacter pylori Ag. It is commonly used with the system or sample type Stool.

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: Observation
  • Method: IA

What it does not mean

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

Key facts

  • Helicobacter pylori Ag [Units/volume] in Stool by Immunoassay
  • Helicobacter pylori Ag
  • Antigen; Antigens; Arbitrary concentration; Bowel movement; C pylori; Campylobacter pylori; EIA; ELFA; ELISA; Enzyme immunoassay; Faecal; Faeces; Fecal; Feces; H pyl; H pylori; IAA; MEIA; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random; Stl; Stool = Fecal; SUDS

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

H. pylori Ag IA Qn (Stl)Helicobacter pylori Ag [Units/volume] in Stool by ImmunoassayH pylori Ag Stl IA-aCncHelicobacter pylori AgMICROHelicobacter pylori antigen, StoolACnc

Frequently asked questions

Code details

Code106841-0
SystemLOINC
Display nameH. pylori Ag IA Qn (Stl)
DescriptionHelicobacter pylori Ag
Short nameH pylori Ag Stl IA-aCnc
ComponentHelicobacter pylori Ag
PropertyACnc
TimingPt
System (specimen)Stool
ScaleQn
MethodIA
ClassMICRO
Example units{Index_val}
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.79
Last changed2.79

Consumer names

Helicobacter pylori antigen, Stool

Part names

Helicobacter pylori AgACncPtStoolQnIAArbitrary ConcentrationPoint in time (spot)Immunoassay

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.