A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

T and B Cells, Total

Test Code
Q39588


Includes
Absolute Lymphocytes, Absolute CD19+ Cells, % CD19 (B Cells), Absolute CD3+ Cells, % CD3 (Mature T Cells)


Preferred Specimen
5 mL whole blood collected in an EDTA (lavender-top) tube


Minimum Volume
0.5 mL


Instructions
.


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 72 hours
Refrigerated: Unacceptable
Frozen: Unacceptable


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
ACD (yellow-top) tube • Sodium heparin (green-top) tube


Methodology
Flow Cytometry (FC)

Setup Schedule
Set up: Daily; Report available: 2-3 days


Clinical Significance
Low numbers of NK cells are found in individuals who are susceptible to viral infections, including cytomegalovirus and varicella




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.