TBNK Lymphocyte Subset 

Message
It 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
5mL EDTA Whole Blood, Room Temperature


Minimum Volume
0.5mL


Instructions
Draw Monday through Thursday only
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


Clinical Significance
Immunologic assessment of patients having or suspected of having immune deficiency.


Performing Laboratory
Penn Medicine Lancaster General Health 



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.