ARUP's Laboratory Test Directory
| 0092392: ZAP-70 Analysis by Flow Cytometry |
![[ image for: Flow Cytometry Test Request Form Recommended]](icon_12.jpg){kind=icon} | Flow Cytometry Test Request Form Recommended |
| Test Mnemonic: ZAP-70 | |
|
Methodology: Flow Cytometry
Performed: Sun-Sat Reported: 1-3 days |
| Specimen Required: | |
|
Collect: One 5 mL whole blood in a green (sodium heparin). Also acceptable: lavender (EDTA) or pink (K2EDTA).
Transport: 5 mL whole blood at 20-25°C. Remarks: Prior diagnosis of CLL is required. Sample should be received within 24 hours of collection for optimal viable testing. Please provide CBC results and Wright's stained smear. Refrigerated samples are also acceptable. Unacceptable Conditions: Clotted, hemolyzed, or frozen samples. Samples received more than 48 hours after collection. Stability: Ambient: 1 day; Refrigerated: 2 days; Frozen: Unacceptable |
|
| Reference Interval: |
| By report |
| Interpretive Data: | |
|
ZAP-70 results should not be used for diagnostic purposes, but may help in the clinical management of patients with established diagnoses of chronic lymphocytic leukemia. Results of this test should always be correlated with morphologic and clinical information.
Please refer to Statement A in the Compliance Statements section in the front of the Laboratory Test Directory. |
| CPT Code(s): | |
| 88184 First marker; 88185x2 Additional markers; 88187 Interpretation of 2-8 markers |