LOINCActiveBoth

LOINC Code 23040-9: Duck hepatitis virus 3 neut ab Neut test Ql (S)

23040-9 is a LOINC code used to identify Duck hepatitis virus 3 neut ab Neut test 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 Duck hepatitis virus 3 Ab.Neut. It is commonly used with the system or sample type Ser.

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 Duck hepatitis virus 3 Ab.Neut. 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: Neut

What it does not mean

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

Key facts

  • Duck hepatitis virus 3 neutralizing antibody [Presence] in Serum by Neutralization test
  • Duck hepatitis virus 3 Ab.Neut
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Conventional virus neutralization test; cVNT; DHV; DHV3; DHV-3; Duck virus hepatitis; Hep; Hepatis; Hepatit; ID; III; Infectious Disease; InfectiousDisease; Microbiology; NAb; NEUTRALIZATION; Neutralization test; NT; Ordinal; Picornavirus; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; Serum virus neutralization; SR; SVN; Vet; Veterinary; Virus neutralization test; VNT

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

Duck hepatitis virus 3 neut ab Neut test Ql (S)Duck hepatitis virus 3 neutralizing antibody [Presence] in Serum by Neutralization testDHV3 NAb Ser Ql NtDuck hepatitis virus 3 Ab.NeutMICRODuck Hepatitis virus 3 neutralizing antibody, BloodPrThr

Frequently asked questions

Code details

Code23040-9
SystemLOINC
Display nameDuck hepatitis virus 3 neut ab Neut test Ql (S)
DescriptionDuck hepatitis virus 3 Ab.Neut
Short nameDHV3 NAb Ser Ql Nt
ComponentDuck hepatitis virus 3 Ab.Neut
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodNeut
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0n
Last changed2.72

Consumer names

Duck Hepatitis virus 3 neutralizing antibody, Blood

Part names

Duck hepatitis virus 3 Ab.NeutPrThrPtSerOrdNeutPresence or ThresholdPoint in time (spot)SerumNeutralization test

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.