LOINCActiveBoth

LOINC Code 48657-1: Ganglioside GM2 Ab IA Qn (S)

48657-1 is a LOINC code used to identify Ganglioside GM2 Ab IA 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 Ganglioside GM2 Ab. 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 GM2 Ab. 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: IA

What it does not mean

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

Key facts

  • Ganglioside GM2 Ab [Units/volume] in Serum by Immunoassay
  • Ganglioside GM2 Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; EIA; ELFA; ELISA; Enzyme immunoassay; GM2 Gangl; IAA; MEIA; Monosialoganglioside; Point in time; QNT; Quan; Quant; Quantitative; Random; 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 GM2 Ab IA Qn (S)Ganglioside GM2 Ab [Units/volume] in Serum by ImmunoassayGM2 Gangl Ab Ser IA-aCncGanglioside GM2 AbSEROGanglioside GM2 antibody, BloodACnc

Frequently asked questions

Code details

Code48657-1
SystemLOINC
Display nameGanglioside GM2 Ab IA Qn (S)
DescriptionGanglioside GM2 Ab
Short nameGM2 Gangl Ab Ser IA-aCnc
ComponentGanglioside GM2 Ab
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
MethodIA
ClassSERO
Example units%
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.21
Last changed2.70

Consumer names

Ganglioside GM2 antibody, Blood

Part names

Ganglioside GM2 AbACncPtSerQnIAArbitrary ConcentrationPoint 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.

LOINC Code 48657-1 | HealthAssure