Casandra
Casandra Test Code QD09536Version 1 (DRAFT)
Performing Lab
Hu Antibody Screen with Reflex to Titer and Western Blot
Also known as: Neuronal Nuclear (Hu) Antibody
Clinical Use
Order TestUse
Antineuronal Nuclear Antibody (Anti‑Hu; ANNA‑1) is associated with paraneoplastic neurologic syndromes, including encephalomyeloradiculopathy, sensory neuropathy, and autoimmune neuropathy, commonly occurring in patients with small cell lung carcinoma. The Anti‑Hu antibody is observed in approximately 5–10% of small cell lung cancer cases, indicating a paraneoplastic process.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (IHC)
Biomarkers
3 components
Hu Antibody Screen (IFA) • Multiplex Protein PanelHu Antibody Western Blot • Western BlotHu Antibody Titer • IHC
Result Turnaround Time
6 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
Not provided
Minimum Volume
0.2 mL
Container
SST (serum separator tube)
Patient Preparation
Overnight fasting is preferred
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 14 days |
| Frozen | 21 days |