Blood test explanation - White blood cells

White blood cells

These values are for total blood and not only blood plasma.

Test	Patient type	Lower limit	Upper limit	Unit
White Blood Cell Count (WBC.)	Adult	3.5,[3] 3.9,[129] 4.1,[7] 4.5[6]	9.0,[3] 10.0,[129] 10.9,[7] 11[6]	x109/L x103/mm3 or x103/μL
	Newborn	9[130]	30[130]
	1 year old	6[130]	18[130]
Neutrophil granulocytes (A.K.A. grans, polys, PMNs, or segs)	Adult	1.3,[3] 1.8,[129] 2[130]	5.4,[3] 7,[129] 8[130]	x109/L
		45-54[6]	62,[6] 74	% of WBC
	Newborn	6[130]	26[130]	x109/L
Neutrophilic band forms	Adult		0.7[130]	x109/L
		3[6]	5[6]	% of WBC
Lymphocytes	Adult	0.7,[3] 1.0[129][130]	3.5,[129] 3.9,[3] 4.8[130]	x109/L
		16-25[6]	33,[6] 45	% of WBC
	Newborn	2[130]	11[130]	x109/L
Monocytes	Adult	0.1,[3] 0.2[131][119]	0.8[119][130][3]	x109/L
		3,[6] 4.0	7,[6] 10	% of WBC
	Newborn	0.4[130]	3.1[130]	x109/L
Mononuclear leukocytes (Lymphocytes + monocytes)	Adult	1.5	5	x109/L
		20	35	% of WBC
CD4+ cells	Adult	0.4,[7] 0.5[10]	1.5,[10] 1.8[7]	x109/L
Eosinophil granulocytes	Adult	0.0,[3] 0.04[119]	0.44,[119] 0.45,[130] 0.5[3]	x109/L
		1[6]	3,[6] 7	% of WBC
	Newborn	0.02[130]	0.85[130]	x109/L
Basophil granulocytes	Adult	40[129]	100,[119][3] 200,[130] 900[129]	x106/L
		0.0	0.75,[6] 2	% of WBC
	Newborn		0.64[130]	x109/L