NMDAR IgG Ab [Titer] in Serum by Immunofluorescence   80221-5

LOINC Code


LOINC code80221-5
nameNMDAR IgG Ab [Titer] in Serum by Immunofluorescence
descriptionSemi-quanitative analysis of N-methyl-D-aspartate receptor IgG antibodies in serum to confirm the diagnosis of anti-NMDAR autoimmune encephalitis in conjunction with other laboratory and clinical findings. This test may also be used to monitor treatment response in individuals who are antibody positive. This term was created for, but not limited in use to, the EUROIMMUN Anti-Glutamate receptor (type NMDA) IFA assay.
statusACTIVE

Fully-Specified Name

componentN-methyl-D-aspartate receptor Ab.IgG
propertyTitr  =  Dilution Factor (Titer)
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
systemSer  =  Serum
scaleSemiQn
methodIF  =  Immune Fluorescence:  Encompasses DFA, IFA, FA. Usually applies to cells and smears examined microscopically so that both the “where” and the “what” can be assessed, but can also be used on fluids in a way similar to ELISA. Does not include Cell binding assays (see CBA IFA above).

Additional Names

short nameNMDAR IgG Titr Ser IF

Basic Attributes

classSERO
type1  Laboratory
order vs. observationBoth
example UCUM units{titer}
The Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measures being contemporarily used in international science, engineering, and business (www.unitsofmeasure.org)
example unittiter

Associated Observations

LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations.

History/Usage

test rank11035 of 2000 most commonly performed tests by labs in USA
first released
last updated2.75
last change typeMAJ  - change to name field other than Component;

Related Names

ABS
Aby
ACIF
Antby
Anti
Antibodies
Antibody
Anticomplement Immunofluorescence
Asp
Aspartic acid
Autoantibodies
Autoantibody
Dextro
Dilution factor
Dilution Factor (Titer)
Encephalitis
FA
Fluorescent antibody
Fluoresent
IFA
Immune fluorescence
Immune globulin G
Immunoflour
Immunofluor
Immunofluorescence
Immunoglobulin G
NMDA receptor
NMDAR
N-Methylaspartate Receptors
N-Methyl-D-aspartic Acid
Point in time
Random
Rec
Recept
Receptors
Recp
Recptr
Serology
Serum
SmQn
SR
Time Resolved Fluorescence
Titer
Titered
Titre
TRF
Ttr

Copyright © 2024 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2024, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.

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