What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 31238-9: Infectious bronchitis virus Conn-42 Ab Qn (S)

Name: LOINC Code 31238-9: Infectious bronchitis virus Conn-42 Ab Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

31238-9 is a LOINC code used to identify Infectious bronchitis virus Conn-42 Ab Qn (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 Infectious bronchitis virus Conn-42 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 Infectious bronchitis virus Conn-42 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

What it does not mean

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

Key facts

Infectious bronchitis virus Conn-42 Ab [Units/volume] in Serum
Infectious bronchitis virus Conn-42 Ab
ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Avian infectious bronchitis; IBV; IBV Conn42; ID; Infectious Disease; InfectiousDisease; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; 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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Infectious bronchitis virus Conn-42 Ab Qn (S) (31238-9)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Infectious bronchitis virus Conn-42 Ab Qn (S)Infectious bronchitis virus Conn-42 Ab [Units/volume] in SerumIBV Conn42 Ab Ser-aCncInfectious bronchitis virus Conn-42 AbMICROInfectious bronchitis virus Conn-42 antibody, BloodACnc

Frequently asked questions

Code details

Code31238-9

SystemLOINC

Display nameInfectious bronchitis virus Conn-42 Ab Qn (S)

DescriptionInfectious bronchitis virus Conn-42 Ab

Short nameIBV Conn42 Ab Ser-aCnc

ComponentInfectious bronchitis virus Conn-42 Ab

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.07

Last changed2.69

Consumer names

Infectious bronchitis virus Conn-42 antibody, Blood

Part names

Infectious bronchitis virus Conn-42 AbACncPtSerQnArbitrary ConcentrationPoint in time (spot)Serum

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.