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 93499-2: Metabotropic glutamate receptor 1 IgG IF (S) [Titer]

Name: LOINC Code 93499-2: Metabotropic glutamate receptor 1 IgG IF (S) [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:23.053Z

93499-2 is a LOINC code used to identify Metabotropic glutamate receptor 1 IgG IF (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 Metabotropic glutamate receptor 1 Ab.IgG. 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 Metabotropic glutamate receptor 1 Ab.IgG. 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: IF

What it does not mean

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

Key facts

Metabotropic glutamate receptor 1 IgG Ab [Titer] in Serum by Immunofluorescence
Metabotropic glutamate receptor 1 Ab.IgG
ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; c707; Dilution factor; Dilution Factor (Titer); FA; Fluorescent antibody; Fluoresent; Glu; Glutamic acid; i; IFA; Immune fluorescence; Immune globulin G; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin G; mGluR1; mGluR1 Ab; mGluR1 IgG; Point in time; Random; Rec; Recept; Receptors; Recp; Recptr; Serology; Serum; SmQn; SR; Time Resolved Fluorescence; Titer; Titered; Titre; TRF; Ttr

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

Metabotropic glutamate receptor 1 IgG IF (S) [Titer]Metabotropic glutamate receptor 1 IgG Ab [Titer] in Serum by ImmunofluorescencemGluR1 IgG Titr Ser IFMetabotropic glutamate receptor 1 Ab.IgGSEROMetabotropic glutamate receptor 1 IgG antibody, BloodTitr

Frequently asked questions

Code details

Code93499-2

SystemLOINC

Display nameMetabotropic glutamate receptor 1 IgG IF (S) [Titer]

DescriptionMetabotropic glutamate receptor 1 Ab.IgG

Short namemGluR1 IgG Titr Ser IF

ComponentMetabotropic glutamate receptor 1 Ab.IgG

PropertyTitr

TimingPt

System (specimen)Ser

ScaleSemiQn

MethodIF

ClassSERO

Example unitsTiter

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.67

Last changed2.75

Consumer names

Metabotropic glutamate receptor 1 IgG antibody, Blood

Part names

Metabotropic glutamate receptor 1 Ab.IgGTitrPtSerSemiQnIFMetabotropic glutamate receptor 1 IgGTiterPoint in time (spot)SerumImmunofluorescence (IF)

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.