Casandra
Casandra Test Code QD68327Version 1 (DRAFT)
Performing Lab
Ri Antibody Screen with Reflex to Titer and Western Blot, CSF
Also known as: Neuronal Nuclear (Ri) Antibody
Clinical Use
Order TestUse
Anti‑Ri (also known as ANNA‑2) antibodies can be detected in patients with paraneoplastic opsoclonus‑myoclonus syndrome. Neoplasms most commonly associated with Anti‑Ri include breast cancer, gynecological cancers, and small cell lung cancer.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (IHC)
Biomarkers
3 components
Ri Antibody Screen, IFA, CSF • IHCRi Antibody, Western Blot, CSF (reflex) • Western BlotRi Antibody, Titer, CSF (reflex) • Other
Result Turnaround Time
4 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Cerebrospinal Fluid
Volume
0.8 mL
Minimum Volume
0.5 mL
Container
sterile, plastic leak‑proof container
Patient Preparation
Overnight fasting is preferred
Causes for Rejection
Received room temperature
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 8 hours |
| Refrigerated | 7 days |
| Frozen | 6 months |