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.

LOINC

LOINC Code 22812-2: Avian infectious laryngotracheitis virus EM Ql (Trachea)

Name: LOINC Code 22812-2: Avian infectious laryngotracheitis virus EM Ql (Trachea)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:30.726Z

22812-2 is a LOINC code used to identify Avian infectious laryngotracheitis virus EM Ql (Trachea) 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 Avian infectious laryngotracheitis virus. It is commonly used with the system or sample type Trac.

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 Avian infectious laryngotracheitis virus. It is commonly used with the system or sample type Trac.

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
Method: Microscopy.electron

What it does not mean

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

Key facts

Deprecated Avian infectious laryngotracheitis virus [Presence] in Unspecified specimen by Electron microscopy
Avian infectious laryngotracheitis virus
Jim Case asked that this be depricated
Alpha-herpesvirus; Arbitrary concentration; Avian infectious laryngotracheitis; Bird; EM; Fowl; ID; ILT; Infectious Disease; InfectiousDisease; Micro; Microbiology; Micros; Microscopic; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Trachea

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

Avian infectious laryngotracheitis virus EM Ql (Trachea)Deprecated Avian infectious laryngotracheitis virus [Presence] in Unspecified specimen by Electron microscopyDeprecated ILT Trachea Ql EMAvian infectious laryngotracheitis virusMICROAvian Infectious Laryngotracheitis virus, TracheaACnc

Frequently asked questions

Code details

Code22812-2

SystemLOINC

Display nameAvian infectious laryngotracheitis virus EM Ql (Trachea)

DescriptionAvian infectious laryngotracheitis virus

Short nameDeprecated ILT Trachea Ql EM

ComponentAvian infectious laryngotracheitis virus

PropertyACnc

TimingPt

System (specimen)Trac

ScaleOrd

MethodMicroscopy.electron

ClassMICRO

StatusDEPRECATED

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0n

Last changed2.36

Consumer names

Avian Infectious Laryngotracheitis virus, Trachea

Part names

Avian infectious laryngotracheitis virusACncPtTracOrdMicroscopy.electronArbitrary ConcentrationPoint in time (spot)TracheaElectron 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.