T-Cell Subsets 

Performed in the Hematology/Flow Cytometry Laboratory  x5479.
Can be combined with purple top (EDTA)  from routine or special hematology. 
Due to 24 hour sample stability, samples cannot be collected on Saturdays or Sunday of a 3-day weekend.

TCELL

CD 3, CD 4 and 8 % AND absolute counts. CD4:8 ratio.
CD19, 20,  and 56 upon separate request 

whole blood

0.5 mL

3 mL Purple Top (EDTA)

Room Temperature

Room Temperature: 24 hours

Gross hemolysis, QNS, Clotted

M-F 9AM-7PM

Abnormal states of health are not always represented by abnormal percentages of certain leukocyte percentages as in a healthy person. Use test results in conjunction with clinical and other diagnostic data.

  

for male/females age 0-150 years:             CD3 absolute:   age 0-9 days:  1.6-5.00  
CD3 %:  60-90                                                                      age 9 days-1 yr:  2.0-6.50
CD4 %:  30-65                                                                      age 1-2 yr:  1.4-5.40
CD8 %: 15-50                                                                       age 2-5 yr:  1.4-4.30
CD4:8 ratio:  0.7-3.5                                                              age 5-8 yr:  1.0-3.40
CD4 absolute:  0.550-1.65  K/uL                                           > 8 year:  1.0-2.50
CD8 absolute:  0.3-1.00  K/uL

T Helper and Suppressor cells enumeration in HIV positive patients
CD3+, CD4+, and CD8+  lymphocyte percentages and absolute counts may be used as aids to evaluate immune competency,  underlying known or unknown disease states,  and to monitor levels following organ transplantation.