LOINCActiveObservation

LOINC Code 17773-3: Yeast LM Ql (Stl)

17773-3 is a LOINC code used to identify Yeast LM 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 Yeast. 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 Yeast. 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: Microscopy.light

What it does not mean

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

Key facts

  • Yeast [Presence] in Stool by Light microscopy
  • Yeast
  • Bowel movement; Faecal; Faeces; Fecal; Feces; ID; Infectious Disease; InfectiousDisease; LM; 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

Yeast LM Ql (Stl)Yeast [Presence] in Stool by Light microscopyYeast Stl Ql MicroYeastMICROYeast, StoolPrThr

Frequently asked questions

Code details

Code17773-3
SystemLOINC
Display nameYeast LM Ql (Stl)
DescriptionYeast
Short nameYeast Stl Ql Micro
ComponentYeast
PropertyPrThr
TimingPt
System (specimen)Stool
ScaleOrd
MethodMicroscopy.light
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.56

Consumer names

Yeast, Stool

Part names

YeastPrThrPtStoolOrdMicroscopy.lightPresence or ThresholdPoint in time (spot)Light microscopy

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 17773-3 | HealthAssure