Normal Range: Platelet, WBC, Hematocrit

Range of Normal Values

Reference Ranges for Blood Tests

Platelet Count

Test	Lower limit	Upper limit	Unit	Comments
Thrombocyte/Platelet count (Plt)	140, 150	350, 400, 450	x109/L or x1000/µL

White Blood Cell Count

Test	Patient type	Lower limit	Upper limit	Unit
White Blood Cell Count (WBC)	Adult	3.5, 3.9, 4.1, 4.5	9.0, 10.0, 10.9, 11	x109/L x103/mm3 or x103/μL
	Newborn	9	30
	1 year old	6	18

Hematocrit

Hematocrit (Hct)	male	0.39, 0.4, 0.41, 0.45	0.50, 0.52, 0.53, 0.62
	female	0.35, 0.36, 0.37	0.46, 0.48
	Child	0.31	0.43

Test Patient Lower limit Upper limit Unit Comments Hemoglobin (Hb) male 2.0,[131] 2.1[6] 2.5,[131] 2.7[6] mmol/L Higher in neonates, lower in children. 130,[3] 132,[7] 135[6] 162,[7] 170,[3] 175[6] g/L female 1.8,[131] 1.9[6] 2.3,[131] 2.5[6][131] mmol/L Sex difference negligible until adulthood. 120[3][6][7] 150,[3] 152,[7] 160[6][15] g/L Hemoglobin in plasma 0.16[6] 0.62[6] μmol/L Normally diminutive compared with inside red blood cells 1 4 mg/dL Glycosylated hemoglobin (HbA1c) < 50 years 3.6[3] 5.0[3]  % of Hb > 50 years 3.9[3] 5.3[3] Haptoglobin < 50 years 0.35[3] 1.9[3] g/L > 50 years 0.47[3] 2.1[3] Hematocrit (Hct) male 0.39,[3] 0.4,[7] 0.41,[6]0.45[15] 0.50,[3] 0.52,[7] 0.53,[6]0.62[15] female 0.35,[3] 0.36,[6] 0.37[7][15] 0.46,[6][7][3] 0.48[15] Child 0.31[7] 0.43[7] Mean cell volume (MCV) Male 76,[15] 82[7] 100,[15] 102[7] fL Cells are larger in neonates, though smaller in other children. Female 78[7] 101[7] fL Red blood cell distribution width (RDW) 11.5[7] 14.5[7]  % Mean cell hemoglobin (MCH) 0.39[6] 0.54[6] fmol/cell 25,[6] 27[15][3] 32,[15] 33,[3] 35[6] pg/cell Mean corpuscular hemoglobin concentration(MCHC) 31,[7] 32[15][3] 35,[7] 36[15][3] g/dL or %[note 1] 4.8,[132] 5.0[132] 5.4,[132] 5.6[132] mmol/L Erythrocytes/Red blood cells (RBC) male 4.2,[15] 4.3[6][7][3] 5.7,[3] 5.9,[6] 6.2,[7] 6.9[15] x1012/L or mln/mm3 Female 3.5,[6] 3.8,[7] 3.9[3] 5.1,[3] 5.5[6][7] Infant/Child 3.8[7] 5.5[7] Reticulocytes Adult 26[3] 130[3] x109/L Adult 0.5[6][7] 1.5[6][7]  % of RBC Newborn 1.1[7] 4.5[7]  % of RBC Infant 0.5[7] 3.1[7]  % of RBC Normal Range for Other Blood Tests  Test Low High Unit Comments Sodium (Na) 136 145 mmol/L Potassium (K) 3.5 5.0 mmol/L Urea 2.5 6.4 mmol/L BUN - blood urea nitrogen Urea 15 40 mg/dL Creatinine - male 62 115 μmol/L Creatinine - female 53 97 μmol/L Creatinine - male 0.7 1.3 mg/dL Creatinine - female 0.6 1.2 mg/dL Glucose (fasting) 3.9 5.8 mmol/L See also glycosylated hemoglobin Glucose (fasting) 70 120 mg/dL