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Test Code MISC6ATHENA419 NDMA Receptor (NR1-subunit) Autoantibody Test

Department

SEND OUTS

Reference Lab Test Number

419

Collection Requirements

Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.

Alternate Specimen: CSF collected in a sterile leak-proof container

Primary Collection Container

Red (No Gel)

Alternate Collection Container

Gold (SST)

Transport

Serum or CSF refrigerated

Preferred Transport Temperature

Refrigerated

Processing

Serum must be separated from whole blood within 48 hours of collection.

Stability

Serum:

Ambient: 72 hours

Refrigerated: 28 days

Frozen: 1 year

CSF:

Ambient: 72 hours

Refrigerated: 28 days

Frozen: 28 days

Minimum Testing Volume

0.5 mL

Reference Range

Negative

Methodology

Immunofluorescence Assay (IFA)

Reported

6-8 days

CPT Codes

-86255

Additional Information

Anti-NMDA receptor (NR1-subunit) antibody is found in patients with encephalitis, acute psychiatric disturbances, seizures, memory deficits, and hypoventilation.