Casandra
Casandra Test Code QD75510Version 1 (DRAFT)
Performing Lab
Acetylcholine Receptor Modulating Antibody
Clinical Use
Order TestUse
Detection of autoantibodies that modulate acetylcholine receptor function is used in the evaluation of patients with suspected myasthenia gravis, an autoimmune neuromuscular disorder characterized by muscle weakness due to autoantibody‑mediated impairment of neuromuscular transmission.
Special Instructions
Not provided.
Limitations
Antibodies may not be detected in congenital myasthenia gravis.
Test Details
Methodology
Immunoassay (Radiobinding Assay)
Biomarkers
Acetylcholine Receptor
ProteinModulating Antibody • Other • Binary (Detected / Not Detected)
Result Turnaround Time
5-7 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL serum
Minimum Volume
0.3 mL serum
Container
Red or SST (red‑top) tube; plastic aliquot tube for serum
Collection Instructions
Collect in SST or red top tube; spin and aliquot into plastic screw‑capped tube
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 1 year |