ZAP-70 Analysis by Flow Cytometry




Test Mnemonic

ZAP70

CPT Codes

  • 88184 - QTY (1)
  • 88185 - QTY (1)

LOINC ®

46722-5

Aliases

  • Zeta-chain Associated Protein

Includes

  • VIABILITY
  • ZAP70+/CD19+

Performing Laboratory

Quest SJC


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
5 mLWhole bloodEDTA (Lavender) AmbientSend to Cleveland Clinic Laboratories ASAP on the day of collection.

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
5 mLWhole bloodSodium heparin (Green) AmbientSend to Cleveland Clinic Laboratories ASAP on the day of collection.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
3 mL     

Stability

Environmental Condition Description
Ambient72 hours
FrozenUnacceptable
RefrigeratedUnacceptable

Days Performed

Sun - Sat

Turnaround Time

5 - 6 days

Reference Range

ZAP70+/CD19+
Sex Age From Age To Type Range Range Unit
       Normal<10%

Special Info

Ship blood at room temperature. Grossly hemolyzed specimens will be rejected. Yellow top ACD B tubes are not acceptable.

Clinical Info

Patients with chronic lymphocytic leukemia have variable outcomes; ZAP-70 can predict patients who have aggressive disease and need aggressive therapy.