LOINC Code 84928-1: NMDAR subunit 1 Ab IF Ql (S)

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 N-methyl-D-aspartate receptor subunit 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

• NMDAR subunit 1 Ab [Presence] in Serum by Immunofluorescence
• N-methyl-D-aspartate receptor subunit 1 Ab
• Antineuronal antibodies against NMDAR1 are detected and characterized based on immunofluorescence staining pattern on multiple neuronal, non-neuronal tissues, and transformed substrate cells.
• ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Asp; Aspartic acid; Autoantibodies; Autoantibody; Dextro; Encephalitis; FA; Fluorescent antibody; Fluoresent; Glutamate receptor ionotropic, NMDA 1; i; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; NMDA receptor; NMDAR; NMDAR1; N-Methylaspartate Receptors; N-Methyl-D-aspartic Acid; Ordinal; Paraneoplastic syndrome; Point in time; PR; QL; Qual; Qualitative; 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

Frequently asked questions