LOINCActiveBoth

LOINC Code 84929-9: AMPAR1 Ab IF Ql (S)

84929-9 is a LOINC code used to identify AMPAR1 Ab IF 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 Alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 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 Alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 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: IF

What it does not mean

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

Key facts

  • AMPAR1 Ab [Presence] in Serum by Immunofluorescence
  • Alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 Ab
  • Alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 (AMPAR1) antibodies are detected and characterized based on immunofluorescence staining pattern on multiple neuronal, non-neuronal tissues, and transformed substrate cells.
  • 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; Immunoflour; Immunofluor; Immunofluorescence; Limbic encephalitis; OH; Ordinal; Point in time; PR; QL; Qual; Qualitative; Quisqualate Receptor; Random; Rec; Recept; Receptors; Recp; Recptr; Screen; Serology; Serum; 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 Ab IF Ql (S)AMPAR1 Ab [Presence] in Serum by ImmunofluorescenceAMPAR1 Ab Ser Ql IFAlpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 AbSEROAMPAR1 antibody, BloodPrThr

Frequently asked questions

Code details

Code84929-9
SystemLOINC
Display nameAMPAR1 Ab IF Ql (S)
DescriptionAlpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 Ab
Short nameAMPAR1 Ab Ser Ql IF
ComponentAlpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIF
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.58
Last changed2.73

Consumer names

AMPAR1 antibody, Blood

Part names

Alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 1 AbPrThrPtSerOrdIFAMPAR 1 AbPresence or ThresholdPoint in time (spot)SerumImmunofluorescence (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 84929-9 | HealthAssure