Test Code CD4 CD4, Blood
Performing Laboratory
ChristianaCare-Newark Campus
Methodology
Flow Cytometry
Specimen Requirements
Specimen must be delivered to laboratory immediately after draw.
Container/Tube: 3.0-mL lavender-top (EDTA) tube
Specimen: Full tube - (minimum volume: 2.5 mL)
Transport Temperature: Ambient - Do not place on wet ice or refrigerate.
Collection Instructions:
Note: Label tube with patient’s full name and 1 additional unique patient identifier such as: date of birth or medical record number, date and time of draw, collector’s initials, and type of specimen.
Reference Values
The appropriate age-related reference values will be provided on the report.
Day(s) Test Set Up
Monday through Friday (must arrive in laboratory by noon on Friday)
Routine Turnaround Time: 48 hours
STAT Turnaround Time: not available