LOINCBoth

LOINC Code 44742-5: Disialylganglioside GD1b IgG Ql (S)

44742-5 is a LOINC code used to identify Disialylganglioside GD1b IgG Ql (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 Disialylganglioside GD1b 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 Disialylganglioside GD1b 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: DEPRECATED
  • Order vs observation: Both

What it does not mean

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

Key facts

  • Deprecated Disialylganglioside GD1b IgG Ab [Presence] in Serum
  • Disialylganglioside GD1b Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Ganglioside disialyl; Immune globulin G; Immunoglobulin G; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Serology; Serum; SR

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

Disialylganglioside GD1b IgG Ql (S)Deprecated Disialylganglioside GD1b IgG Ab [Presence] in SerumDeprecated GD1b Disialyl IgG Ser QlDisialylganglioside GD1b Ab.IgGSERODisialylganglioside GD1b IgG antibody, BloodACnc

Frequently asked questions

Code details

Code44742-5
SystemLOINC
Display nameDisialylganglioside GD1b IgG Ql (S)
DescriptionDisialylganglioside GD1b Ab.IgG
Short nameDeprecated GD1b Disialyl IgG Ser Ql
ComponentDisialylganglioside GD1b Ab.IgG
PropertyACnc
TimingPt
System (specimen)Ser
ScaleOrd
ClassSERO
StatusDEPRECATED
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.36

Consumer names

Disialylganglioside GD1b IgG antibody, Blood

Part names

Disialylganglioside GD1b Ab.IgGACncPtSerOrdDisialylganglioside GD1b IgGArbitrary ConcentrationPoint in time (spot)Serum

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.