Casandra
Casandra Test Code QD77673Version 1 (DRAFT)
Performing Lab
ANA Cascade (ANA, IFA with Reflex to Titer and Pattern, and Reflex to 11 Ab Cascade)
Clinical Use
Order TestUse
This test begins with an ANA screen using immunofluorescence assay (IFA). A positive ANA result reflexes to an ANA titer and pattern and triggers a 3-tiered, 11‑antibody cascade, progressing sequentially through autoantibody groups from highest to lowest prevalence in rheumatic diseases to support diagnosis of autoimmune rheumatic conditions.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (IHC)
Biomarkers
3 components
ANA Screen, IFA • IHCANA Titer and Pattern Reflex • IHC11‑Antibody Cascade • IHC
Result Turnaround Time
1-2 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL
Minimum Volume
0.5 mL
Container
Transport tube
Causes for Rejection
Gross hemolysis • Grossly lipemic • Grossly icteric • Microbial contamination may interfere
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 4 days |
| Refrigerated | 7 days |
| Frozen | 30 days |