T and B Cells, Total

T and B Cells, Total

Test Code

39588
86355, 86359
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
39588
86355, 86359
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
In-home collection is not available in your area through Quest Mobile.

Clinical Significance

T and B Cells, Total - Low numbers of NK cells are found in individuals who are susceptible to viral infections, including cytomegalovirus and varicella

Test Resources

None found for this test
Please visit our Clinical Education Center to stay informed on any future publications, webinars, or other education opportunities.

Test Details

Includes

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

Methodology

Flow Cytometry (FC)

Reference Range(s)

See Laboratory Report

LOINC® Codes, Performing Laboratory

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

Methodology

Flow Cytometry (FC)

Reference Range(s)

See Laboratory Report

Preferred Specimen(s)

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

Minimum Volume

0.5 mL - volumes below 1 mL should be submitted in a pediatric EDTA tube

Transport Container

5 mL (or 3 mL pediatric) EDTA (lavender-top) tube

Transport Temperature

Room temperature

Specimen Stability

  • Room temperature: 72 hours
  • Refrigerated: Unacceptable
  • Frozen: Unacceptable

Setup Schedule, Collection Instructions, Reject Criteria

5 mL whole blood collected in an EDTA (lavender-top) tube
0.5 mL - volumes below 1 mL should be submitted in a pediatric EDTA tube
5 mL (or 3 mL pediatric) EDTA (lavender-top) tube
Room temperature
Room temperature: 72 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
In-home collection is not available in your area through Quest Mobile.
Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

The tests listed by specialty and category are a select group of tests offered. For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of Services.