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.

LOINCActiveObservation

LOINC Code 91676-7: G. lamblia Ag IA.rapid Ql (Stl)

Name: LOINC Code 91676-7: G. lamblia Ag IA.rapid Ql (Stl)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:21.442Z

91676-7 is a LOINC code used to identify G. lamblia Ag IA.rapid 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 lamblia 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 Giardia lamblia 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.rapid

What it does not mean

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

Key facts

Giardia lamblia Ag [Presence] in Stool by Rapid immunoassay
Giardia lamblia Ag
Antigen; Antigens; Beaver fever; Bowel movement; EIA; ELFA; ELISA; Enzyme immunoassay; Faecal; Faeces; Fecal; Feces; G duodenalis; G intestinalis; G lamblia; Giardiasis; IAA; Lamblia intestinalis; MEIA; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; 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

G. lamblia Ag IA.rapid Ql (Stl)Giardia lamblia Ag [Presence] in Stool by Rapid immunoassayG lamblia Ag Stl Ql IA.rapidGiardia lamblia AgMICROGiardia lamblia antigen, StoolPrThr

Frequently asked questions

Code details

Code91676-7

SystemLOINC

Display nameG. lamblia Ag IA.rapid Ql (Stl)

DescriptionGiardia lamblia Ag

Short nameG lamblia Ag Stl Ql IA.rapid

ComponentGiardia lamblia Ag

PropertyPrThr

TimingPt

System (specimen)Stool

ScaleOrd

MethodIA.rapid

ClassMICRO

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.66

Last changed2.66

Consumer names

Giardia lamblia antigen, Stool

Part names

Giardia lamblia AgPrThrPtStoolOrdIA.rapidPresence or ThresholdPoint in time (spot)Rapid 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.