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.

LOINCActiveObservation

LOINC Code 50767-3: Ganglioside GD1a IgG/IgM IA (S) [Ratio]

Name: LOINC Code 50767-3: Ganglioside GD1a IgG/IgM IA (S) [Ratio]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:34.496Z

50767-3 is a LOINC code used to identify Ganglioside GD1a IgG/IgM IA (S) [Ratio] 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 Ganglioside GD1a Ab.IgG/Ganglioside GD1a Ab.IgM. 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 Ganglioside GD1a Ab.IgG/Ganglioside GD1a Ab.IgM. 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: Observation
Method: IA

What it does not mean

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

Key facts

Ganglioside GD1a IgG Ab/IgM Ab [Ratio] in Serum by Immunoassay
Ganglioside GD1a Ab.IgG/Ganglioside GD1a Ab.IgM
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Disialolganglioside; EIA; ELFA; ELISA; Enzyme immunoassay; GD1a; GD1a Gangl; IAA; Immune globulin G; Immune globulin M; Immunoglobulin G; Immunoglobulin M; MEIA; Point in time; QNT; Quan; Quant; Quantitative; Random; Ratios; Rto; Serology; Serum; 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

Ganglioside GD1a IgG/IgM IA (S) [Ratio]Ganglioside GD1a IgG Ab/IgM Ab [Ratio] in Serum by ImmunoassayGD1a Gangl IgG/IgM Ser IA-RtoGanglioside GD1a Ab.IgG/Ganglioside GD1a Ab.IgMSEROGanglioside GD1a IgG/IgM Antibody, BloodRatio

Frequently asked questions

Code details

Code50767-3

SystemLOINC

Display nameGanglioside GD1a IgG/IgM IA (S) [Ratio]

DescriptionGanglioside GD1a Ab.IgG/Ganglioside GD1a Ab.IgM

Short nameGD1a Gangl IgG/IgM Ser IA-Rto

ComponentGanglioside GD1a Ab.IgG/Ganglioside GD1a Ab.IgM

PropertyRatio

TimingPt

System (specimen)Ser

ScaleQn

MethodIA

ClassSERO

Example unitsIndex value

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.22

Last changed2.73

Consumer names

Ganglioside GD1a IgG/IgM Antibody, Blood

Part names

Ganglioside GD1a Ab.IgG/Ganglioside GD1a Ab.IgMRatioPtSerQnIAPoint 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.