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Laboratory Medicine

Test catalogue

Lymphocyte Immunophenotyping (TBNK Panel )

Test Name

Lymphocyte Immunophenotyping (TBNK Panel )

Lavender Tube Specimen Type / Requirements

Container Type = Lavender

Minimum Testing Volume = 1 mL

Specimen Handling

Collection Instructions: Collect sample in a lavender top and send to core lab. Ensure sample is mixed adequately. Write your initials, date and time of collection on the collection label.

Stability: Stable for 24hrs at room temperature and 3 days refrigerated.

Transportation: Transport at room temperature within 1 hour of collection.

Lab Instructions: Test done Monday to friday at 13:00 only. Sample needs to be in lab by 1pm on fridays. Do not draw on Fridays after 13:00 and on weekends.

Sample Rejection Criteria:clotted sample, Grossly hemolyzed samples, Unlabeled or Not Sufficient Quantity Samples will be rejected.

Required Documentation

Turnaround Time (TAT)

2 days

Test Utilization

Daily

Reference value

CD45 +Abs Lymphocytes: 1.500-2.900 E9/L<
CD3+ absolute: 0856-2.669 E9/L
CD3+ 0.575-0.831 SI
CD4+ absolute 0.491 - 1.734 E9/L
CD4+ 0.315-0.624 SI
CD8+ absolute 0.162 - 1.074 E9/L
CD8+ 0.096-0.383 SI
CD4/CD8 ratio: 0.80 - 2.80
CD19+absolute: 0.073 - 0.562 E9/L
CD19+: 0.059 - 0.242 SI
CD3-56+16+absolute: 0.108 - 0.680 E9/L
CD3-56+16+: 0.052-0.304 SI

Test Code

TBNKP

Methodology

Flow Cytometry Immunophenotyping

Testing Location

SMH-Haematology (FLOW)

Other Information