Am J Clin Pathol 100:111-115, 1993.

Reference Ranges for Lymphocyte Subsets in Pediatrc Patients.

Kotylo PK, Fineberg NS, Freeman KS, Redmond NL, and Charland C

Specimens were prepared using the Coulter Q-Prep method. Data are 5th to 95th percentile ranges (confidence interval). Data distribution was normalized when necessary by mathematical transformation (ie: log, square root, etc.).

Pediatric Peripheral Blood

95% Confidence Interval
Percentage Cells per cu.mm
CD Age N Min Max Min Max
CD2 0-6 mo 10 55 88 3,900 5,300
6-12 mo 9 55 88 3,800 4,900
12-18 mo 9 55 88 3,500 4,200
18-24 mo 10 55 88 3,100 3,900
24-30 mo 9 55 88 2,600 3,600
30-36 mo 10 55 88 2,200 3,500
36+ mo 73 65 84 1,200 4,100
CD3 0-6 mo 10 55 82 3,500 5,000
6-12 mo 9 55 82 3,400 4,600
12-18 mo 9 55 82 3,200 3,900
18-24 mo 10 55 82 2,800 3,500
24-30 mo 9 55 82 2,300 3,300
30-36 mo 10 55 82 1,900 3,100
36+ mo 73 55 82 1,000 3,900
CD4 0-6 mo 10 50 57 2,800 3,900
6-12 mo 9 49 55 2,600 3,500
12-18 mo 9 46 51 2,300 2,900
18-24 mo 10 42 48 1,900 2,500
24-30 mo 9 38 46 1,500 2,200
30-36 mo 10 33 44 1,200 2,000
36+ mo 73 27 57 560 2,700
CD8 0-6 mo 10 8 31 350 2,500
6-12 mo 9 8 31 350 2,500
12-18 mo 9 8 31 350 2,500
18-24 mo 10 8 31 350 2,500
24-30 mo 9 8 31 350 2,500
30-36 mo 10 8 31 350 2,500
36+ mo 73 14 34 330 1,400
CD19 0-6 mo 10 11 45 430 3,300
6-12 mo 9 11 45 430 3,300
12-18 mo 9 11 45 430 3,300
18-24 mo 10 11 45 430 3,300
24-30 mo 9 11 45 430 3,300
30-36 mo 10 11 45 430 3,300
36+ mo 73 9 29 200 1,300