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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