LOINCActiveObservation

LOINC Code 38903-1: Lymphocytes LM Ql (Stl)

38903-1 is a LOINC code used to identify Lymphocytes 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 Lymphocytes. 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 Lymphocytes. 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

  • Lymphocytes [Presence] in Stool by Light microscopy
  • Lymphocytes
  • Bowel movement; Faecal; Faeces; Fecal; Feces; Gastro; Gastroenterology; GI; HEMATOLOGY/CELL COUNTS; LM; Lymp; Lymph; Lympho; Lymphocyte; Lymphs; Lymphs%; Micro; 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

Lymphocytes LM Ql (Stl)Lymphocytes [Presence] in Stool by Light microscopyLymphocytes Stl Ql MicroLymphocytesHEM/BCLymphocytes, StoolPrThr

Frequently asked questions

Code details

Code38903-1
SystemLOINC
Display nameLymphocytes LM Ql (Stl)
DescriptionLymphocytes
Short nameLymphocytes Stl Ql Micro
ComponentLymphocytes
PropertyPrThr
TimingPt
System (specimen)Stool
ScaleOrd
MethodMicroscopy.light
ClassHEM/BC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.15
Last changed2.56

Consumer names

Lymphocytes, Stool

Part names

LymphocytesPrThrPtStoolOrdMicroscopy.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 38903-1 | HealthAssure