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Test Name:
B-Cells, CD20 Expression, by Flow Cytometry
- SBMF No:
25252 - Performance Lab Name:
Flow Cytometry/Molecular Pathology - Test Mnemonic:
AD PANEL20 - ABN:
Not required - CPT Code:
86355; 86356 - LOINC Code:
6690-2; 30364-4; 8119-0; 9558-8 - Also Known As:
CD20 on B Cells
Rituxan Sensitivity (CD20)
Rituximab Therapy CD20 - Spec Type:
Whole blood - Spec Container:
Lavender top (EDTA) tube - Pref Vol:
5.0 mL - Min Vol:
3.0 mL - Fasting:
No - Spec Collect:
Routine venipuncture - Spec Process:
Do not centrifuge
Do not remove plasma from cells - Spec Store Transport:
Room temperature - Spec Stability:
2 days (48 hours) room temperature (20-30°C)
Refrigerated (2-8°C): Unacceptable
Frozen (-20°C): Unacceptable - Spec Reject:
Clotted, frozen, or refrigerated sample - Methodology:
Flow Cytometry - Reference Range:
WBC, Total
Total Lymph Ct
B-Lymphocytes
%Lymphs CD20+
Absolute CD20+
%Lymphs CD19+
Absolute CD19+4500-11000
800-4800
31-67
427-1639
5-20
100-600/mm3
/mm3
%
/mm3
%
/mm3 - Day Run:
Tue, Thu, Sat - Time Run:
5:00 pm - Time Reported:
24 hours - Test Type:
FLOW
