LOINCActiveBoth

LOINC Code 104404-9: Giardia lamblia cysts Microscopy Ql (Stl)

104404-9 is a LOINC code used to identify Giardia lamblia cysts Microscopy 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 cysts. 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 cysts. 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
  • Method: Microscopy

What it does not mean

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

Key facts

  • Giardia lamblia cysts [Presence] in Stool by Microscopy
  • Giardia lamblia cysts
  • Beaver fever; Bowel movement; Faecal; Faeces; Fecal; Feces; G duodenalis; G intestinalis; G lamblia; Giardiasis; Lamblia intestinalis; Micro; Microbiology; Micros; Microscopic; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; 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 lamblia cysts Microscopy Ql (Stl)Giardia lamblia cysts [Presence] in Stool by MicroscopyGiardia lamblia cysts Stl Ql MicroGiardia lamblia cystsMICROGiardia lamblia cysts, StoolPrThr

Frequently asked questions

Code details

Code104404-9
SystemLOINC
Display nameGiardia lamblia cysts Microscopy Ql (Stl)
DescriptionGiardia lamblia cysts
Short nameGiardia lamblia cysts Stl Ql Micro
ComponentGiardia lamblia cysts
PropertyPrThr
TimingPt
System (specimen)Stool
ScaleOrd
MethodMicroscopy
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.77
Last changed2.77

Consumer names

Giardia lamblia cysts, Stool

Part names

Giardia lamblia cystsPrThrPtStoolOrdMicroscopyPresence 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 104404-9 | HealthAssure