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 101878-7: Metabotropic glutamate receptor 1 IgG Cell binding immunofluorescent assay (S) [Titer]

Name: LOINC Code 101878-7: Metabotropic glutamate receptor 1 IgG Cell binding immunofluorescent assay (S) [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:17.451Z

101878-7 is a LOINC code used to identify Metabotropic glutamate receptor 1 IgG Cell binding immunofluorescent assay (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: CBA IFA

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 Cell binding immunofluorescent assay
Metabotropic glutamate receptor 1 Ab.IgG
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; c707; Dilution factor; Dilution Factor (Titer); Glu; Glutamic acid; i; Immune globulin G; Immunoglobulin G; Indirect Fluorescence Antibody; mGluR1; mGluR1 Ab; mGluR1 IgG; Point in time; Random; Rec; Recept; Receptors; Recp; Recptr; Serology; Serum; SmQn; SR; Titer; Titered; Titre; 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 Cell binding immunofluorescent assay (S) [Titer]Metabotropic glutamate receptor 1 IgG Ab [Titer] in Serum by Cell binding immunofluorescent assaymGluR1 IgG Titr Ser CBA IFAMetabotropic glutamate receptor 1 Ab.IgGSEROMetabotropic glutamate receptor 1 IgG antibody, BloodTitr

Frequently asked questions

Code details

Code101878-7

SystemLOINC

Display nameMetabotropic glutamate receptor 1 IgG Cell binding immunofluorescent assay (S) [Titer]

DescriptionMetabotropic glutamate receptor 1 Ab.IgG

Short namemGluR1 IgG Titr Ser CBA IFA

ComponentMetabotropic glutamate receptor 1 Ab.IgG

PropertyTitr

TimingPt

System (specimen)Ser

ScaleSemiQn

MethodCBA IFA

ClassSERO

Example unitstiter

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.75

Last changed2.76

Consumer names

Metabotropic glutamate receptor 1 IgG antibody, Blood

Part names

Metabotropic glutamate receptor 1 Ab.IgGTitrPtSerSemiQnCBA IFAMetabotropic glutamate receptor 1 IgGTiterPoint in time (spot)SerumCell binding immunofluorescent assay

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.