Zap-70 (cD-38) (cLL)
Peripheral blood only
The Zap-70 assay for chronic lymphocytic leukemia/small lymphocytic lymphoma requires fresh peripheral blood specimens (less than 24 hours old after collection) for optimal results.
Collect 5 mL in an EDTA (purple-top) tube received within 24 hours of collection; performed on peripheral blood only.
For more information, contact the UF Health Pathology Laboratories Client Services Department at 888.375.LABS (5227).
Storage/Transport Temperature: Ship at 20° - 25° C. Submit specimens according to Biological Substance, Category B, shipping guidelines.
- Bone marrow
- Frozen specimens
- Specimens greater than 24 hours old
- Ambient: Unacceptable
- Refrigerated: 24 hours
Zap-70 and CD38 expression are prognostic markers in CLL.
Monday - Saturday