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TBNK Lymphocyte Subset
MessageIt is indicated for use in the imunologic assessment of patients having or suspected of having immune deficiency.
Test Code
TBNKS
Alias/See Also
LAB0001054 Total Lymphocytes (T-Cell) Count
CPT Codes
86355, 86357, 86359, 86360
Includes
Testing includes % and Absolute Counts for the following: CD3, CD4, CD8, CD19, CD3-CD56+, lymphocytes. Also includes CD4:CD8 ratio.
Preferred Specimen
4mL EDTA Whole Blood, Room Temperature
Minimum Volume
0.5mL
Instructions
Draw Monday through Thursday only.
DO NOT REFRIGERATE
Holiday collection guideline:
Do not collect test on a holiday.
DO NOT REFRIGERATE
Holiday collection guideline:
Do not collect test on a holiday.
Transport Temperature
Room Temperature
Specimen Stability
24 hours Room Temperature
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Refrigerated or Frozen Samples
Methodology
Flow Cytometry
FDA Status
IVD approved
Setup Schedule
Monday through Thursday
Report Available
Next Day
Limitations
Not indicated for Pediatric use
Reference Range
CD3%: 58.43-88.14
CD3 Abs: 674-2267
CD4%: 29.10-65.16
CD4 Abs: 434-1647
CD8%: 12.63-40.25
CD8 Abs: 152-1043
CD19%: 4.44-26.22
CD19 Abs: 78-575
NK %: 2.43-26.36
NK Abs: 38-568
CD3 Abs: 674-2267
CD4%: 29.10-65.16
CD4 Abs: 434-1647
CD8%: 12.63-40.25
CD8 Abs: 152-1043
CD19%: 4.44-26.22
CD19 Abs: 78-575
NK %: 2.43-26.36
NK Abs: 38-568
Clinical Significance
Immunologic assessment of patients having or suspected of having immune deficiency.
Performing Laboratory
Penn Medicine Lancaster General Health
