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.

LOINCActiveBoth

LOINC Code 23540-8: Turkey enteritis coronavirus IF Ql (S)

Name: LOINC Code 23540-8: Turkey enteritis coronavirus IF Ql (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

23540-8 is a LOINC code used to identify Turkey enteritis coronavirus IF Ql (S) 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 Turkey enteritis coronavirus. It is commonly used with the system or sample type Ser.

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 Turkey enteritis coronavirus. It is commonly used with the system or sample type Ser.

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: IF

What it does not mean

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

Key facts

Turkey enteritis coronavirus [Presence] in Serum by Immunofluorescence
Turkey enteritis coronavirus
China - Poultry
ACIF; Anticomplement Immunofluorescence; Bluecomb disease; Corona virus; Coronaviral enteritis of turkeys; FA; Fluorescent antibody; Fluoresent; ID; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Meleagis gallopavo; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; TCoV; Time Resolved Fluorescence; TRF

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Turkey enteritis coronavirus IF Ql (S) (23540-8)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Turkey enteritis coronavirus IF Ql (S)Turkey enteritis coronavirus [Presence] in Serum by ImmunofluorescenceTCoV Ser Ql IFTurkey enteritis coronavirusMICROTurkey enteritis coronavirus, BloodPrThr

Frequently asked questions

Code details

Code23540-8

SystemLOINC

Display nameTurkey enteritis coronavirus IF Ql (S)

DescriptionTurkey enteritis coronavirus

Short nameTCoV Ser Ql IF

ComponentTurkey enteritis coronavirus

PropertyPrThr

TimingPt

System (specimen)Ser

ScaleOrd

MethodIF

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0n

Last changed2.56

Consumer names

Turkey enteritis coronavirus, Blood

Part names

Turkey enteritis coronavirusPrThrPtSerOrdIFPresence or ThresholdPoint in time (spot)SerumImmunofluorescence (IF)

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.