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.

LOINCObservation

LOINC Code 60464-5: Monosodium glutamate (MSG) IgE RAST class (S)

Name: LOINC Code 60464-5: Monosodium glutamate (MSG) IgE RAST class (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:40.316Z

60464-5 is a LOINC code used to identify Monosodium glutamate (MSG) IgE RAST class (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 Monosodium glutamate Ab.IgE.RAST class. 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 Monosodium glutamate Ab.IgE.RAST class. 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: DEPRECATED
Order vs observation: Observation

What it does not mean

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

Key facts

Deprecated Monosodium glutamate (MSG) IgE Ab RAST class [Presence] in Serum
Monosodium glutamate Ab.IgE.RAST class
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; c707; Glu; Glutamic acid; IgE RAST; Immune globulin E; Immunoglobulin E; MSG; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; 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

Monosodium glutamate (MSG) IgE RAST class (S)Deprecated Monosodium glutamate (MSG) IgE Ab RAST class [Presence] in SerumDeprecated MSG IgE RAST QlMonosodium glutamate Ab.IgE.RAST classALLERGYMonosodium Glutamate (MSG) allergy testPrThr

Frequently asked questions

Code details

Code60464-5

SystemLOINC

Display nameMonosodium glutamate (MSG) IgE RAST class (S)

DescriptionMonosodium glutamate Ab.IgE.RAST class

Short nameDeprecated MSG IgE RAST Ql

ComponentMonosodium glutamate Ab.IgE.RAST class

PropertyPrThr

TimingPt

System (specimen)Ser

ScaleOrd

ClassALLERGY

StatusDEPRECATED

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.34

Last changed2.75

Consumer names

Monosodium Glutamate (MSG) allergy test

Part names

Monosodium glutamate Ab.IgE.RAST classPrThrPtSerOrdPresence or ThresholdPoint 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.