NMDA Receptor (NR1-subunit) Autoantibody Test
Test code
CPT code(s)*
Test resources
Details
Methodology
Immunofluorescence Assay (IFA)
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 2 mL serum |
| Alternative specimen(s) | CSF collected in: Sterile leak-proof container |
| Minimum volume | 0.5 mL |
| Collection instructions | Serum must be separated from whole blood within 48 hours of collection. Note: Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form. |
| Transport container | Transport tube |
| Transport temperature | Refrigerated (cold packs) |
| Specimen stability | Serum Room temperature: 72 hours Refrigerated: 28 days Frozen: 1 year CSF Room temperature: 72 days Refrigerated: 28 days Frozen: 28 Days |
| Reject criteria | Turbid • Bacterial contamination |
Reference Range(s)
| Technical Results | Negative |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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