Casandra
Casandra Test Code QD78919Version 1 (DRAFT)
Performing Lab
Lab Quest DiagnosticsLab Test ID 16000
ZAP‑70
Also known as: Flow, Zeta-chain Associated Protein
Clinical Use
Order TestUse
ZAP‑70 expression is reported only in the CD5+/CD19+ cells and serves as an important prognostic marker in chronic lymphocytic leukemia (CLL), functioning as a surrogate for immunoglobulin-variable-region mutation status and aiding in risk stratification and patient management. ([questdiagnostics.com](https://www.questdiagnostics.com/healthcare-professionals/clinical-education-center/faq/faq41?utm_source=openai))
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (IHC)
Biomarkers
2 components
Flow cytometry (ZAP‑70 expression) • IHCIHC (FFPE bone marrow) • IHC
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Whole Blood
Volume
Not provided
Minimum Volume
Not provided
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