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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
DO NOT REFRIGERATE
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
