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Test Code THS T-Cell Subsets, Blood

Performing Laboratory

North Shore University Hospital  Manhasset

Methodology

Flow Cytometry

Includes CD3, CD4, and CD8.

Reference Values

CD3  
Neonatal 28-76% 600-5,000 cells/µL
1 week-2 months  60-85% 1,300-7,000 cells/µL
2-5 months 48-75% 2,300-6,500 cells/µL
5-9 months 50-77% 2,400-6,900 cells/µL
9-15 months 54-76% 1,600-6,700 cells/µL
15-24 months 39-73% 1,400-8,000 cells/µL
2-5 years 43-76% 900-4,500 cells/µL
5-10 years 55-78% 700-4,200 cells/µL
10-16 years 52-78% 800-3,500 cells/µL
>18 years 59-85% 799-2,171 cells/µL
CD3/CD4  
Neonatal 17-52% 400-3,500 cells/µL
1 week-2 months 41-68%  1,700-5,300 cells/µL
2-5 months 33-58% 1,500-5,000 cells/µL
5-9 months 33-58% 1,400-5,100 cells/µL
9-15 months 31-54% 1,000-4,600 cells/µL
15-24 months 25-50% 900-5,500 cells/µL
2-5 years 23-48% 500-2,400 cells/µL
5-10 years 27-53% 300-2,000 cells/µL
10-16 years 25-48% 400-2,100 cells/µL
>18 years 36-65% 489-1,457 cells/µL
CD3/CD8  
Neonatal 10-41% 200-1,900 cells/µL
1 week-2 months 9-23% 400-1,700 cells/µL
2-5 months 11-25% 500-1,600 cells/µL
5-9 months 13-26% 600-2,200 cells/µL
9-15 months 12-28% 400-2,100 cells/µL
15-24 months 11-32% 400-2,300 cells/µL
2-5 years 14-33% 300-1,600 cells/µL
5-10 years 19-34% 300-1,800 cells/µL
10-16 years 9-35% 200-1,200 cells/µL
>18 years 11-36% 136-757 cells/µL

 

Test Classification and CPT Coding

86359 - t cells, total count

86360 - CD4 and CD8 plus ratio

Physician Office Specimen Requirements

Specimen must arrive within 24 hours of draw. Contact the Tumor Marker (Flow Cytometry) Laboratory at 516-562-4169 for collection instructions and consultation on selection of test(s).

 

Container/Tube: Lavender-top (EDTA) tube

Specimen:  3 mL of EDTA whole blood

Transport Temperature:  Ambient

Collection Instructions:  Forward promptly. Specimen cannot be refrigerated.

Day(s) and Time(s) Performed

Monday through Friday

Computer Interface Code

PDM #  5201208