LOINCOrder

LOINC Code 110855-4: Equine influenza virus A2 Ab (S) [Measurement]

110855-4 is a LOINC code used to identify Equine influenza virus A2 Ab (S) [Measurement] 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 A2 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 A2 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: TRIAL
  • Order vs observation: Order

What it does not mean

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

Key facts

Equine influenza virus A2 Ab [Measurement] in Serum
Equine influenza virus A2 Ab
This term is intended to collate similar measurements for the LOINC SNOMED CT Collaboration in an ontological view. Additionally, it can be used to communicate a laboratory order, either alone or in combination with specimen or other information in the order. It may NOT be used to report back the measured patient value. [https//lo.inc/ce2mb6]
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; EIV; EIV A2; Equin; Equine influenza; FLUV; Influ; Kentucky disease; Lab orders; Msmt; Serum; SR

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 A2 Ab (S) [Measurement]Equine influenza virus A2 Ab [Measurement] in SerumEIV A2 Ab Msmt SerEquine influenza virus A2 AbLABORDERS.ONTOLOGYEquine influenza virus A2 antibody, Blood{Measurement}

Frequently asked questions

Code details

Code110855-4
SystemLOINC
Display nameEquine influenza virus A2 Ab (S) [Measurement]
DescriptionEquine influenza virus A2 Ab
Short nameEIV A2 Ab Msmt Ser
ComponentEquine influenza virus A2 Ab
Property{Measurement}
Timing-
System (specimen)Ser
Scale-
ClassLABORDERS.ONTOLOGY
StatusTRIAL
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.81
Last changed2.81

Consumer names

Equine influenza virus A2 antibody, Blood

Part names

Equine influenza virus A2 Ab{Measurement}-SerMeasurementSerum

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.