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 57327-9: FLUAV IgM spec 2 IA Qn (S)

Name: LOINC Code 57327-9: FLUAV IgM spec 2 IA Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:38.756Z

57327-9 is a LOINC code used to identify FLUAV IgM spec 2 IA 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 Influenza virus A Ab.IgM^2nd specimen. 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 Influenza virus A Ab.IgM^2nd specimen. 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

Influenza virus A IgM Ab [Units/volume] in Serum by Immunoassay --2nd specimen
Influenza virus A Ab.IgM^2nd specimen
ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Avian influenza; Bird flu; Convalescent; EIA; ELFA; ELISA; Enzyme immunoassay; FLUA; FLUAV; FLUV; Fowl plague; IAA; ID; Immune globulin M; Immunoglobulin M; Infectious Disease; InfectiousDisease; Influ; Influenza A; Influenza A virus; MEIA; Microbiology; Point in time; Post immunization; QNT; Quan; Quant; Quantitative; Random; Second; Serum; sp2; Spec; SR; SUDS

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

FLUAV IgM spec 2 IA Qn (S)Influenza virus A IgM Ab [Units/volume] in Serum by Immunoassay --2nd specimenFLUAV IgM sp2 Ser IA-aCncInfluenza virus A Ab.IgM^2nd specimenMICROInfluenza A (Flu A) IgM antibody specimen 2, BloodACnc

Frequently asked questions

Code details

Code57327-9

SystemLOINC

Display nameFLUAV IgM spec 2 IA Qn (S)

DescriptionInfluenza virus A Ab.IgM^2nd specimen

Short nameFLUAV IgM sp2 Ser IA-aCnc

ComponentInfluenza virus A Ab.IgM^2nd specimen

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

MethodIA

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.29

Last changed2.69

Consumer names

Influenza A (Flu A) IgM antibody specimen 2, Blood

Part names

Influenza virus A Ab.IgM^2nd specimenACncPtSerQnIAArbitrary ConcentrationPoint 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.