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Labcorp Oklahoma, Inc.
Test Directory


Index:

Lymphocyte Absolute CD4 and CD8

Order Name T HELP/CYTOTOX
Test Number: 5603200
Revision Date 05/24/2023
Test Name Methodology LOINC Code
Lymphocyte Absolute CD4 and CD8
Flow cytometry  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 5 mL each (3 mL each) Whole Blood EDTA (Lavender) and ACD Sol A/B (Yellow Top) Room Temperature
Instructions Collect Whole blood in Both ACD Solution A or B (Yellow Top) and EDTA (Lavender Top).
Keep whole blood, do not centrifuge or refrigerate.
Deliver to the laboratory ASAP - Same Day as Collection!
Collect Monday through Wednesday only. Specimens must be received at Labcorp Oklahoma Inc. by Wednesday afternoon or collect on Monday.
GENERAL INFORMATION
Testing Schedule Testing schedule may vary 
Expected TAT 3-5 Days  
Clinical Use Immunophenotype of T lymphocytes. 
Performing Labcorp Test Code 096925 
Notes This panel is also known as: T Helper and Suppressor Cells (CD4/CD8)

 
CPT Code(s) 86359, 86360
Lab Section Reference Lab