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.

LOINCBoth

LOINC Code 10640-1: Adenovirus 40+41 EM Nom (Stl)

Name: LOINC Code 10640-1: Adenovirus 40+41 EM Nom (Stl)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:19.669Z

10640-1 is a LOINC code used to identify Adenovirus 40+41 EM Nom (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 Adenovirus 40+41. 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 Adenovirus 40+41. 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: DEPRECATED
Order vs observation: Both
Method: Microscopy.electron

What it does not mean

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

Key facts

Deprecated Adenovirus 40+41 [Identifier] in Stool by Electron microscopy
Adenovirus 40+41
Adeno virus; AdV 40+41; Bowel movement; EM; Enteric adenoviruses; Faecal; Faeces; Fecal; Feces; Gastro; Gastroenterology; GI; HAdV; ID; Identity or presence; Infectious Disease; InfectiousDisease; Micro; Microbiology; Micros; Microscopic; Nominal; Point in time; Random; 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

Adenovirus 40+41 EM Nom (Stl)Deprecated Adenovirus 40+41 [Identifier] in Stool by Electron microscopyDeprecated HAdV40+41 Stl EMAdenovirus 40+41MICROAdenovirus 40+41, StoolPrid

Frequently asked questions

Code details

Code10640-1

SystemLOINC

Display nameAdenovirus 40+41 EM Nom (Stl)

DescriptionAdenovirus 40+41

Short nameDeprecated HAdV40+41 Stl EM

ComponentAdenovirus 40+41

PropertyPrid

TimingPt

System (specimen)Stool

ScaleNom

MethodMicroscopy.electron

ClassMICRO

StatusDEPRECATED

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0i

Last changed2.42

Consumer names

Adenovirus 40+41, Stool

Part names

Adenovirus 40+41PridPtStoolNomMicroscopy.electronPresence or IdentityPoint in time (spot)Electron 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.