LOINCBoth

LOINC Code 48658-9: Ganglioside GQ1b Ab Molgen Qn (S)

48658-9 is a LOINC code used to identify Ganglioside GQ1b Ab Molgen 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 GQ1b 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 GQ1b 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: DEPRECATED
  • Order vs observation: Both
  • Method: Molgen

What it does not mean

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

Key facts

  • Deprecated Ganglioside GQ1b Ab [Units/volume] in Serum by Molgen
  • Ganglioside GQ1b Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; GQ1b; GQ1b Gangl; Molecular genetics; Neuro; Neurology; PCR; Point in time; QNT; Quan; Quant; Quantitative; Random; Serology; Serum; SR; Tetrasialylganglioside

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 GQ1b Ab Molgen Qn (S)Deprecated Ganglioside GQ1b Ab [Units/volume] in Serum by MolgenDeprecated GQ1b Gangl Ab Ser-aCncGanglioside GQ1b AbSEROGanglioside GQ1b antibody, BloodACnc

Frequently asked questions

Code details

Code48658-9
SystemLOINC
Display nameGanglioside GQ1b Ab Molgen Qn (S)
DescriptionGanglioside GQ1b Ab
Short nameDeprecated GQ1b Gangl Ab Ser-aCnc
ComponentGanglioside GQ1b Ab
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
MethodMolgen
ClassSERO
Example units%
StatusDEPRECATED
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Ganglioside GQ1b antibody, Blood

Part names

Ganglioside GQ1b AbACncPtSerQnMolgenArbitrary ConcentrationPoint in time (spot)SerumMolecular genetics

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.