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HelpTest Code TCDR CD4 CD8 + RATIO (T Cell Subset)
Specimen Type
Blood.
Preferred Collection Container
LAVCollection Volume
3 mL Lavender top tube
Minimum Collection Volume
Minimum pediatric volume of 1.2 mL in a Lavender top tube requires sample be tested within 24 hours
Collection Instructions
Routine venipuncture
Rejection Criteria
Hemolyzed, clotted, diluted with IV fluid, tube that is not filled with minimum volume, improperly labelled tube.
Specimen Storage and Stability
DO NOT SPIN. Keep at room temp, stable 48 hours.
Turn Around Time
3-4 days.
Lab Department
Flow Cytometry
Alias
T Lymphocyte Subsets; T-Cell Count; CD4/ CD8 ratio; Helper/ Suppressor Ratio; T Cell Panel
EPIC Code
LAB343
Acceptable Collection Container
LAV (EDTA)
Day(s) and Time(s) Performed
Monday through Sunday, 24 hours