LOINCActiveBoth

LOINC Code 93868-8: AMPAR2 Ab Cell binding immunofluorescent assay Ql (S)

93868-8 is a LOINC code used to identify AMPAR2 Ab Cell binding immunofluorescent assay 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 2 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 2 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: CBA IFA

What it does not mean

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

Key facts

  • AMPAR2 Ab [Presence] in Serum by Cell binding immunofluorescent assay
  • Alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 2 Ab
  • ABS; Aby; Alfa; AMPA Receptor; AMPAR2; AMPAR2 Ab; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; GluA2; GluR2; GluR-B; Hydrox; II; III; Indirect Fluorescence Antibody; Limbic encephalitis; OH; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Rec; Recept; Receptors; Recp; Recptr; 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

AMPAR2 Ab Cell binding immunofluorescent assay Ql (S)AMPAR2 Ab [Presence] in Serum by Cell binding immunofluorescent assayAMPAR2 Ab Ser Ql CBA IFAAlpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 2 AbSEROAMPAR2 antibody, BloodPrThr

Frequently asked questions

Code details

Code93868-8
SystemLOINC
Display nameAMPAR2 Ab Cell binding immunofluorescent assay Ql (S)
DescriptionAlpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 2 Ab
Short nameAMPAR2 Ab Ser Ql CBA IFA
ComponentAlpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 2 Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodCBA IFA
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.67
Last changed2.69

Consumer names

AMPAR2 antibody, Blood

Part names

Alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate receptor 2 AbPrThrPtSerOrdCBA IFAAMPAR2 AbPresence or ThresholdPoint in time (spot)SerumCell binding immunofluorescent assay

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 93868-8 | HealthAssure