LOINCActiveBoth

LOINC Code 15445-0: Avian leukosis virus Ag IA (S) [Titer]

15445-0 is a LOINC code used to identify Avian leukosis virus Ag IA (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 leukosis virus Ag. 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 Avian leukosis virus Ag. 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: IA

What it does not mean

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

Key facts

  • Avian leukosis virus Ag [Titer] in Serum by Immunoassay
  • Avian leukosis virus Ag
  • ALV; Antigen; Antigens; Bird; Dilution factor; Dilution Factor (Titer); EIA; ELFA; ELISA; Enzyme immunoassay; Fowl; IAA; ID; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Point in time; Random; Serum; SmQn; SR; SUDS; 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

Avian leukosis virus Ag IA (S) [Titer]Avian leukosis virus Ag [Titer] in Serum by ImmunoassayALV Ag Titr Ser IAAvian leukosis virus AgMICROAvian Leukosis virus antigen, BloodTitr

Frequently asked questions

Code details

Code15445-0
SystemLOINC
Display nameAvian leukosis virus Ag IA (S) [Titer]
DescriptionAvian leukosis virus Ag
Short nameALV Ag Titr Ser IA
ComponentAvian leukosis virus Ag
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodIA
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Avian Leukosis virus antigen, Blood

Part names

Avian leukosis virus AgTitrPtSerSemiQnIATiterPoint in time (spot)SerumImmunoassay

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.