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Item Value
Available Stat? No
Test code ZAP70
Performed by Quest
Sendout? Yes
Method Flow cytometry
Collection Instructions Due to limited sample stability, collect samples Monday-Thursday only and avoiding holidays.
Container type Lavender top
Amount to Collect 5 mL blood or marrow
Sample type EDTA whole blood or bone marrow
Preferred volume 5 mL blood or bone marrow
Min. Volume 1 mL blood or bone marrow
Processing notes Ship whole blood to CB at room temperature.
Normal range ZAP-70+/CD19+ ratio < 10%
Synonyms Zeta chain associated protein
Stability Room temperature 3 days
Turn around times 1-2 days
Additional information Patients with chronic lymphocytic leukemia have variable outcomes; ZAP-70 can predict patients who have aggressive disease and need aggressive therapy.
CPT coding 88184-90, 88185-90
Last Updated 7/29/2014 12:31:40 PM
Entry Number 1483
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