LOINCActiveBoth

LOINC Code 82660-2: Glutamate decarboxylase Ab IF Ql

82660-2 is a LOINC code used to identify Glutamate decarboxylase Ab IF Ql 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 Glutamate decarboxylase Ab. It is commonly used with the system or sample type Ser/Plas.

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 Glutamate decarboxylase Ab. It is commonly used with the system or sample type Ser/Plas.

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: IF

What it does not mean

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

Key facts

  • Glutamate decarboxylase Ab [Presence] in Serum or Plasma by Immunofluorescence
  • Glutamate decarboxylase Ab
  • This assay detects both the 65kD and 67kD isoforms of glutamate decarboxylase but does not distinguish between the two.
  • ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; c707; Chemistry; Endocrine; Endocrinology; FA; Fluorescent antibody; Fluoresent; GAD; Glu; Glutamic acid; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Ordinal; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Time Resolved Fluorescence; TRF

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

Glutamate decarboxylase Ab IF QlGlutamate decarboxylase Ab [Presence] in Serum or Plasma by ImmunofluorescenceGAD Ab SerPl Ql IFGlutamate decarboxylase AbCHEMGlutamate decarboxylase antibody, BloodPrThr

Frequently asked questions

Code details

Code82660-2
SystemLOINC
Display nameGlutamate decarboxylase Ab IF Ql
DescriptionGlutamate decarboxylase Ab
Short nameGAD Ab SerPl Ql IF
ComponentGlutamate decarboxylase Ab
PropertyPrThr
TimingPt
System (specimen)Ser/Plas
ScaleOrd
MethodIF
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.58
Last changed2.58

Consumer names

Glutamate decarboxylase antibody, Blood

Part names

Glutamate decarboxylase AbPrThrPtSer/PlasOrdIFPresence or ThresholdPoint in time (spot)Serum or PlasmaImmunofluorescence (IF)

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 82660-2 | HealthAssure