Lymphocyte Subsets: T cells (CD3/4/8)

Synonyms

• CD3
• CD4
• CD8
• LAB10552
• T CELL SUBSET
• T-CELL
• THS

Cerner Name

T Cell Subset

Clinical Info

This assay provides absolute cell counts and percentages for CD3+ T-cells, CD4 and CD8 T cell subsets,as well as CD4/CD8 ratio.

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Specimen Volume

3-5 ml

Container

EDTA (Lavender) or Sodium Heparin (Green top)

Collection Instructions

Contact the Flow Cytometry Laboratory at CFAM at CFAMFlow@northwell.edu for collection instructions and consultation on selection of test(s). Container/Tube: Lavender-top (EDTA) tube or Green (Sodium Heparin) Tube Specimen:  3 mL of whole blood Transport Temperature:  Ambient Collection Instructions:  Forward promptly. Specimen cannot be refrigerated. Rejection Criteria - All Peripheral Blood samples that were not kept and/or transported at room temperature 18-25°C will be rejected. These samples are also rejected if the laboratory cannot feasibly complete testing within 24 hours post collection and the viability is less than 50%.

Transport Instructions

Ambient

Specimen Stability

Delivery to the lab within 12 hours is recommended

Methodology

Flow Cytometry includes CD3, CD4, CD8, ABS CD3, ABS CD4, ABS CD8 and 4/8 Ratio

Days Performed

Laboratory is open Mondays through Fridays 7:00AM to 12:00AM. All testing is available during these hours. Limited testing is available on Saturdays from 8AM-4PM. 
Laboratory is closed on Sundays and Legal Holidays – New Year’s, Martin Luther King Jr, President’s, Memorial, Independence, Labor, Thanksgiving and Christmas Day.

Performing Laboratory

Northwell Health Laboratories

CPT

86359,86360

PDM

5201208

Only Orderable at Locations:

Orderable Everywhere

Results

Result Interpretation

Forms

• Heme/Onc Requisition