Laboratory Information
Test Name
Lymphocyte Subsets
Specimen Collection
Adult Specimen
5 mL Heparin tube non gel (dark green)
Instructions for Referral to Waikato Lab
Aliquot instructions
Must be analysed within 48 hours of collection
Aliquot Transport
Send at room temperature. Samples must arrive at Health Waikato Laboratories Monday - Friday and by 12 noon on Fridays.
Test Information
Department
Haematology
Test Availability
Mon - Fri, 0800 - 1630 excl. Public Holidays
Laboratory Turnaround Time
2 days
Method
Flow Cytometry
Reference interval
| Lymphocyte Subset |
Reference Range |
| CD3 (pan T) |
1.05-4.00 x 10^9/L (adult) |
| CD4 (T-helper) |
0.50-1.40 x 10^9/L (adult) |
| CD8 (T-suppressor) |
0.20-0.90 x 10^9/L (adult) |
| T4:T8 ratio |
1.00-4.00 |
| CD19 (pan B) |
0.06-0.44 x 10^9/L |
| CD56 (NK cells) |
0.23-0.47 x 10^9/L |
Minimum Volume
1 mL whole blood Heparin
