LOINCActiveBoth

LOINC Code 82734-5: AMPAR1 IgG IF Ql

82734-5 is a LOINC code used to identify AMPAR1 IgG 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 Alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 Ab.IgG. 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 Alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 Ab.IgG. 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

  • AMPAR1 IgG Ab [Presence] in Serum or Plasma by Immunofluorescence
  • Alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 Ab.IgG
  • ABS; Aby; ACIF; Alfa; AMPA Receptor; AMPAR1; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; FA; Fluorescent antibody; Fluoresent; GluA1; GluR1; GluR-A; Hydrox; i; IFA; III; Immune fluorescence; Immune globulin G; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin G; Limbic encephalitis; OH; Ordinal; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Quisqualate Receptor; Random; Rec; Recept; Receptors; Recp; Recptr; Screen; Serology; 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

AMPAR1 IgG IF QlAMPAR1 IgG Ab [Presence] in Serum or Plasma by ImmunofluorescenceAMPAR1 IgG SerPl Ql IFAlpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 Ab.IgGSEROAMPAR1 IgG antibody, BloodPrThr

Frequently asked questions

Code details

Code82734-5
SystemLOINC
Display nameAMPAR1 IgG IF Ql
DescriptionAlpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 Ab.IgG
Short nameAMPAR1 IgG SerPl Ql IF
ComponentAlpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 Ab.IgG
PropertyPrThr
TimingPt
System (specimen)Ser/Plas
ScaleOrd
MethodIF
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

AMPAR1 IgG antibody, Blood

Part names

Alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 Ab.IgGPrThrPtSer/PlasOrdIFAlpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 IgGPresence 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 82734-5 | HealthAssure