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ANTI-NMDAR ANTIBODY (BLOOD)

Synonym(s):
Lab Section Category
View write-up
Specimen Required

​3 mL plain blood

Method

​Immunofluorescence

Test Results

Screening dilution is 1:10. Results reported as Detected or Not Detected. Further dilutions to end-point titre will be performed for positive specimens.   

Turnaround Time

​Range 2 - 4 days

Day(s) Test Set up

​Monday - Friday

Remarks

In some patients with anti-NMDAR encephalitis, antibodies may be present in CSF when serum screens are negative. If there is a strong clinical suspicion of anti-NMDAR encephalitis, testing of CSF is recommended.

The presence of Anti-nuclear antibodies and/or non-specific cytoplasmic staining may obscure the detection of anti-NMDAR antibodies. If there is a strong clinical suspicion of anti-NMDAR encephalitis, testing of CSF is recommended.

Change History Notes

  • 23 Aug 2012 09:55 AM

    New test available w.e.f. 27/08/12

Back: Pathology Laboratory Services

Last Updated - 13 Jun 2025