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CD4 Count, Immune Monitoring
Test CodeCD4IMM
Includes
Counts and percentages of CD45, CD3, CD4, CD8 and H/S ratio
Preferred Specimen
3 mL EDTA whole blood
Minimum Volume
0.5 mL
Instructions
Must arrive to reference lab within 72 hours of collection.
Transport Container
Original collection vial
Transport Temperature
Ambient temperature
Specimen Stability
72 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, Gross Lipeimia, other anticoagulants
Report Available
2-4 days
Reference Range
See report for normal ranges.
Clinical Significance
Abnormalities in the number and percent of CD3, CD4, and CD8 T cells have been described in a number of different disease conditions. In patients who are infected with HIV, the CD4 count is measured for AIDS diagnosis and for initiation of antiviral therapy. The progressive loss of CD4 T-lymphocytes in patients infected with HIV is associated with increased infections and complications.
