Test Directory
5435 CD4/CD8 Enumeration with Ratio
Specimen Type
Specimen Stability
Reference Range
Whole blood from lavender top tube
3 days at ROOM TEMPERATURE
Total Lymphocyte Count 850-3900 cells/uL
CD4 Absolute 405-1913 cells/uL
CD4 Percentage 23-63 %
CD8 Absolute 84-1379 cells/uL
CD8 Percentage 8-54 %
CD4/CD8 Ratio >0.9
CD4 Absolute 405-1913 cells/uL
CD4 Percentage 23-63 %
CD8 Absolute 84-1379 cells/uL
CD8 Percentage 8-54 %
CD4/CD8 Ratio >0.9
Specimen Requirements
3mL Whole Blood
Method
Flow Cytometry
Schedule
Tue-Sat
Turn-Around Time
24hrs (Except weekends)
Instructions/Notes
Submit at Room Temperature
DO NOT REFRIGERATE OR FREEZE SPECIMEN
DO NOT REFRIGERATE OR FREEZE SPECIMEN
Clinical Utility
Quantitation of CD4 and CD8 lymphocytes along with CD4/CD8 ratio to help in the evaluation and monitoring of a patient's immune status.
CPT Codes
86360
