LOINCActiveBoth

LOINC Code 27265-8: Giardia sp Ag Ql (Stl)

27265-8 is a LOINC code used to identify Giardia sp Ag Ql (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 Giardia sp Ag. It is commonly used with the system or sample type Stool.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Giardia sp 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: Both

What it does not mean

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

Key facts

  • Giardia sp Ag [Presence] in Stool
  • Giardia sp Ag
  • Antigen; Antigens; Bowel movement; Faecal; Faeces; Fecal; Feces; Giardiasis; ID; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; species; spp; Stl; Stool = Fecal

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

Giardia sp Ag Ql (Stl)Giardia sp Ag [Presence] in StoolGiardia Ag Stl QlGiardia sp AgMICROGiardia sp antigen, StoolPrThr

Frequently asked questions

Code details

Code27265-8
SystemLOINC
Display nameGiardia sp Ag Ql (Stl)
DescriptionGiardia sp Ag
Short nameGiardia Ag Stl Ql
ComponentGiardia sp Ag
PropertyPrThr
TimingPt
System (specimen)Stool
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.73

Consumer names

Giardia sp antigen, Stool

Part names

Giardia sp AgPrThrPtStoolOrdPresence 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 27265-8 | HealthAssure