Test Details

Mnemonic

ZAP70

Ordering Code

3424640

CPT-4 Code(s)

88184, 88185

Specimen Information

Collect

Lavender EDTA

Specimen Preparation

Send 5.0 mL whole blood room temperature in original collection tube or a screw-capped plastic vial. Specimen must be received at Warde Lab the day of collection.

Alternate Specimen

Bone Marrow: EDTA, sodium heparin
Whole blood: Sodium heparin

Minimum Volume

1.0 mL

Transport Temperature

Room temperature

Rejection Criteria

Gross hemolysis, ACD B

Stability

Room temperature: 72 hours
Refrigerated: Unacceptable
Frozen: Unacceptable

Methodology

Flow Cytometry
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Reference Range

ZAP70+/CD19+: <10 %
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Performing Laboratory

Quest SJC
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