LOINCActiveBoth

LOINC Code 15469-0: Equine influenza virus A1 Ab HAI (S) [Titer]

15469-0 is a LOINC code used to identify Equine influenza virus A1 Ab HAI (S) [Titer] 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 Equine influenza virus A1 Ab. 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 Equine influenza virus A1 Ab. 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: HAI

What it does not mean

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

Key facts

  • Equine influenza virus A1 Ab [Titer] in Serum by Hemagglutination inhibition
  • Equine influenza virus A1 Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); EIV; EIV A1; Equin; Equine influenza; FLUV; HEMAGGLUTINATION INHIBITION; HI; ID; Infectious Disease; InfectiousDisease; Influ; Microbiology; Point in time; Random; Serum; SmQn; SR; Titer; Titered; Titre; Ttr; Vet; Veterinary

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

Equine influenza virus A1 Ab HAI (S) [Titer]Equine influenza virus A1 Ab [Titer] in Serum by Hemagglutination inhibitionEIV A1 Ab Titr Ser HAIEquine influenza virus A1 AbMICROEquine influenza virus A1 antibody, BloodTitr

Frequently asked questions

Code details

Code15469-0
SystemLOINC
Display nameEquine influenza virus A1 Ab HAI (S) [Titer]
DescriptionEquine influenza virus A1 Ab
Short nameEIV A1 Ab Titr Ser HAI
ComponentEquine influenza virus A1 Ab
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodHAI
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0k
Last changed2.75

Consumer names

Equine influenza virus A1 antibody, Blood

Part names

Equine influenza virus A1 AbTitrPtSerSemiQnHAITiterPoint in time (spot)SerumHemagglutination inhibition

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.