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HelpTest Code NMDAR NMDA Receptor Antibody, Serum
Specimen Requirements
Specimen Type: Serum
Container/Tube: Red Top
Volume: 6.0mL
Minimum Volume: 0.5mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours
Sample Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
| Specimen Type: | Serum |
|---|---|
| Ambient: | 2 days |
| Refrigerate: | 2 weeks |
| Frozen: | 1 year |
Reference Interval
Negative
Days and Times Performed
Alternate Tuesday, TAT 1–15 days
Methodology
Immunofluorescence
Service Code
0033311
Update
Last updated 26/02/2022
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Alias
NMDA-R Ab CBA
Useful For
NMDA Receptor Antibodies are associated with anti-NMDAR encephalitis, a neurologic immune-mediated disease which typically presents with a flu-like prodromal phase, followed by psychiatric symptoms, abnormal movements, seizures, dysautonomia and decreased consciousness. Simultaneous testing of serum and cerebrospinal fluid (CSF) is recommended.
Unacceptable Condition
| Haemolysis | NA |
|---|---|
| Icterus | NA |
| Lipaemic | NA |
| Others | NA |