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 51828-2: Herring+Cod+Plaice+Mackerel IgE Qn (S)

Name: LOINC Code 51828-2: Herring+Cod+Plaice+Mackerel IgE Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:35.573Z

51828-2 is a LOINC code used to identify Herring+Cod+Plaice+Mackerel IgE 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 (Clupea harengus+Gadus morhua+Pleuronectes platessa+Scomber scombrus) Ab.IgE. 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 (Clupea harengus+Gadus morhua+Pleuronectes platessa+Scomber scombrus) Ab.IgE. 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

Food Allergen Mix 74 (Herring+Cod+Plaice+Mackerel) IgE Ab [Units/volume] in Serum
(Clupea harengus+Gadus morhua+Pleuronectes platessa+Scomber scombrus) Ab.IgE
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Cod; Codfish; f003; f205; f206; f254; f3; Fish; Food Allerg Mix74; Food mix (fish); fx74; Herring; Immune globulin E; Immunoglobulin E; Mackerel; Plaice; Plaise; Point in time; QNT; Quan; Quant; Quantitative; Random; Rf206; Scrod; 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

Herring+Cod+Plaice+Mackerel IgE Qn (S)Food Allergen Mix 74 (Herring+Cod+Plaice+Mackerel) IgE Ab [Units/volume] in SerumFood Allerg Mix74 IgE Qn(Clupea harengus+Gadus morhua+Pleuronectes platessa+Scomber scombrus) Ab.IgEALLERGYFood mix (Herring, Cod, Plaice, Mackerel) allergy testACnc

Frequently asked questions

Code details

Code51828-2

SystemLOINC

Display nameHerring+Cod+Plaice+Mackerel IgE Qn (S)

Description(Clupea harengus+Gadus morhua+Pleuronectes platessa+Scomber scombrus) Ab.IgE

Short nameFood Allerg Mix74 IgE Qn

Component(Clupea harengus+Gadus morhua+Pleuronectes platessa+Scomber scombrus) Ab.IgE

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

ClassALLERGY

Example unitskIU/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.24

Last changed2.42

Consumer names

Food mix (Herring, Cod, Plaice, Mackerel) allergy test

Part names

(Clupea harengus+Gadus morhua+Pleuronectes platessa+Scomber scombrus) Ab.IgEACncPtSerQnFood Allergen Mix 74 (Herring+Cod+Plaice+Mackerel) IgEArbitrary 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.