May 13, 2016




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Flow Cytometry

Regulatory T-Cell Analysis

Regulatory T-Cell Analysis (HCRTCA) Flow Cytometry Lab Test

Name: Regulatory T-Cell Analysis

Test Name: Regulatory T-Cell Analysis

Health Link Test Code: HCRTCA

LIS Test Code: RTCA

CPT Code(s): 88184

Test Component:

% of CD3+CD4+CD25+(high expression)

% of CD3+CD4+CD25+(low expression)

Methodology: Flow Cytometry

Specimen: Blood

Collection Container: K3EDTA-Lavender top

Also Acceptable: K2EDTA-Lavender top

Additional Information:

Test only available as an add-on to Flow Cytometry, Immune Deficiency Profile (PBPLUS/HCPBPLUS or FPPLUS/HCFPPLUS) and T Cell Analysis (TCA/HCTCA). Please see these tests for collection, stability, and processing instructions.


This test was developed and its performance characteristics determined by the UWHC Clinical Laboratories. This test meets the standards for clinical testing. This test should not be regarded as investigational or for research use. The US Food and Drug Administration (FDA) has not approved or cleared this test; however, the FDA has determined that such clearance or approval is not necessary.