NMDA Antibodies (aka NMDAR)

Department of Immunology

Notes

• N-methyl-D-aspartate (NMDA) receptor antibodies are associated with limbic encephalitis, systemic lupus erythematosus (SLE), ataxia and epilepsia partialis continua, psychiatric symptoms, amnesia, seizures, dyskinesias, autonomic dysfunction and loss of consciousness.
• There is an association with ovarian or mediastinal teratomas but may occur without any malignancy.
• Test performed by Oxford University Hospitals NHS Foundation Trust.

Sample Requirements

Clotted blood. (No patient preparation or special handling required)

Adult

5ml Gold-top SST tube or 3.5ml Rust-top gel tube (Trust users only)

Paediatric

1ml serum Sample

Can also be analysed on CSF

Time limit for add-on

3 days

Turnaround Times

28 Days

Reference Range

Negative = Normal