LOINCActiveBoth

LOINC Code 22813-0: Avian infectious laryngotracheitis virus Ab IF (S) [Titer]

22813-0 is a LOINC code used to identify Avian infectious laryngotracheitis virus Ab IF (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 Avian infectious laryngotracheitis virus Ab. 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 Avian infectious laryngotracheitis virus 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: IF

What it does not mean

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

Key facts

  • Avian infectious laryngotracheitis virus Ab [Titer] in Serum by Immunofluorescence
  • Avian infectious laryngotracheitis virus Ab
  • ABS; Aby; ACIF; Alpha-herpesvirus; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; Avian infectious laryngotracheitis; Bird; Dilution factor; Dilution Factor (Titer); FA; Fluorescent antibody; Fluoresent; Fowl; ID; IFA; ILT; IMMUNE FLUORESCENCE; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Microbiology; Point in time; Random; Serum; SmQn; SR; Time Resolved Fluorescence; Titer; Titered; Titre; TRF; 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

Avian infectious laryngotracheitis virus Ab IF (S) [Titer]Avian infectious laryngotracheitis virus Ab [Titer] in Serum by ImmunofluorescenceILT Ab Titr Ser IFAvian infectious laryngotracheitis virus AbMICROAvian Infectious Laryngotracheitis virus antibody, BloodTitr

Frequently asked questions

Code details

Code22813-0
SystemLOINC
Display nameAvian infectious laryngotracheitis virus Ab IF (S) [Titer]
DescriptionAvian infectious laryngotracheitis virus Ab
Short nameILT Ab Titr Ser IF
ComponentAvian infectious laryngotracheitis virus Ab
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodIF
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Avian Infectious Laryngotracheitis virus antibody, Blood

Part names

Avian infectious laryngotracheitis virus AbTitrPtSerSemiQnIFTiterPoint 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.