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Test Code 76401437 NMDA Receptor Antibody, Serum

Performing Laboratory

Barnes-Jewish Hospital Laboratory


Indirect Immunofluorescence (IFA)

Literature References:

Anti-Glutamate Receptor (type NMDA) IFA Test Instructions, EUROIMMUN US, Version 21/02/2011      


Specimen Requirements

Specimen Type: Serum

Container/Tube: 7ml Red Top tube

Specimen Volume: 1 ml Serum


Day(s) Test Set Up




Reference Values


Interpretation:  Anti-NMDA receptor IgG antibodies are a valuable marker of autoimmune encephalopathy against the NR1 subunit of glutamate receptor (type NMDA) and also associated with tumors (mostly teratomas).  Anti-NMDA receptor autoantibodies are usually accompanied by subacute neurological symptoms and signs, and not found in healthy subjects.   

Test Classification and CPT Coding


Additional Information

For BJH Laboratory Use Only

Analyte Stability

Serum - Room Temperature- 8 hours

              Refrigerated- 48 hours

              Frozen-  1 year

Laboratory Processing Instructions         

 Test performed in BJH Immunology. Serum should be seperated from clot within 2 hours of collection. Serum to be stored at -70ºC until tested.