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CD4/CD8 counts, blood
Test CodeCD4/CD8 COUNTS
Alias/See Also
FLOW
Includes
WBC
Percent Lymph
Abs Lymph
CD3+ %
CD3+ #
CD3+/CD4+ %
CD3+/CD4+ #
CD3+/CD8+ %
CD3+/CD8+ #
CD4/CD8 Ratio
Percent Lymph
Abs Lymph
CD3+ %
CD3+ #
CD3+/CD4+ %
CD3+/CD4+ #
CD3+/CD8+ %
CD3+/CD8+ #
CD4/CD8 Ratio
Preferred Specimen
Yellow Top Tube- ACD Sol A
Other Acceptable Specimens
Lavender-tiger(BCT)
Lavender EDTA
Use of Streck cell preservative is required if testing will not be completed within 48 hours.
Lavender EDTA
Use of Streck cell preservative is required if testing will not be completed within 48 hours.
Instructions
Include two peripheral blood smears and CBC with differential.
Transport Temperature
Room temperature for whole blood
Refrigerated for specimens in Streck Cell preservative
Refrigerated for specimens in Streck Cell preservative
Specimen Stability
Room temperature --
Optimal: 24 hours
Max stability: 72 hours
If testing will not be completed within 48 hours, use of Streck Cell preservative is required.
Stable for 7 days at 2-8°C
Refer to Flow Cytometry General Information for additional information.
Optimal: 24 hours
Max stability: 72 hours
If testing will not be completed within 48 hours, use of Streck Cell preservative is required.
Stable for 7 days at 2-8°C
Refer to Flow Cytometry General Information for additional information.
Methodology
Flow Cytometry
Setup Schedule
M-F
Report Available
TAT 1 - 5 days
Reference Range
| Test | Reference Range | Units |
| WBC | 4.5-10 | K/cmm |
| %Lymph | 10-55 | % |
| CD3+ % | 55-84 | % |
| CD3+ # | 690-2540 | cells/cumm |
| CD3+/CD4+ % | 31-60 | % |
| CD3+/CD4+ # | 410-1590 | cells/cumm |
| CD3+/CD8+ % | 13-41 | % |
| CD3+/CD8+ # | 190-1140 | cells/cumm |
| CD4/CD8 Ratio | .8-4.2 |
Performing Laboratory
Test performed in the West Roxbury Flow Cytometry Lab
Contact: Albert Filion 857-203-5942
Last Updated: August 2, 2019
