Mayo Test Catalog, (Sorted By Test Name) - Mayo Medical ...

T- and B-CELL QN BY FLOW CYTOMETRY
T and B SURFACE MARKER
% T Cells (CD3)
0-2 months: 53-84%*
3-5 months: 51-77%*
6-11 months: 49-76%*
12-23 months: 53-75%*
2-5 years: 56-75%*
6-11 years: 60-76%*
12-17 years: 56-84%*
> or =18 years: 52-84%
% B Cells (CD19)
0-2 months: 6-32%*
3-5 months: 11-41%*
6-11 months: 14-37%*
12-23 months: 16-35%*
2-5 years: 14-33%*
6-11 years: 13-27%*
12-17 years: 6-23%*
> or =18 years: 5-25%
% Natural Killer (CD16+CD56)
0-2 months: 4-18%*
3-5 months: 3-14%*
6-23 months: 3-15%*
2-11 years: 4-17%*
12-17 years: 3-22%*
> or =18 years: 5-30%
% Helper Cells (CD4)
0-2 months: 35-64%*
3-5 months: 35-56%*
6-11 months: 31-56%*
12-23 months: 32-51%*
2-5 years: 28-47%*
6-11 years: 31-47%*
12-17 years: 31-52%*
>or =18 years: 30-61%
% Suppressor Cells (CD8)
0-2 months: 12-28%*
3-5 months: 12-23%*
6-11 months: 12-24%*
12-23 months: 14-30%*
2-5 years: 16-30%*
6-17 years: 18-35%*
> or =18 years: 12-42%
ABSOLUTE COUNTS
CD45 Lymph Count, Flow
0-17 years: 0.66-4.60 thou/mcL
18-55 years: 0.99-3.15 thou/mcL
>55 years: 1.00-3.33 thou/mcL
T Cells (CD3)
0-2 months: 2,500-5,500 cells/mcL*
3-5 months: 2,500-5,600 cells/mcL*
Current as of January 3, 2013 2:22 pm CST 800-533-1710 or 507-266-5700 or MayoMedicalLaboratories.com Page 1292