Hematology reference values

Question 1

RBC count

Answer 1

Male: 4.4-5.5 million/mL

Female: 3.8-5.2 mill/mL

Question 2

Hemoglobin

Answer 2

Male: 135-170 g/L
Female: 120-165 g/L

Question 3

Hematocrit

Answer 3

Male: 0.40-0.54
Female: 0.37-0.47

vol RBCs/vol of blood

Question 4

Mean corpuscular volume

Answer 4

80-95 fl

Question 5

Mean corpuscular hemoglobin

Answer 5

28-33 pg

Question 6

Mean corpuscular hemoglobin concentration

Answer 6

320-360 g/l

Question 7

erythrocyte sedimentation rate

Answer 7

<20 mm/h

Question 8

reticulocyte count

Answer 8

0.5 - 2.0 % of RBC count

Question 9

Platelet count

Answer 9

150-400 G/L

Question 10

White blood cell count

Answer 10

4-10 G/L

Question 11

Differential blood count

Answer 11

juvenile neutrophils: 0 - 1%
band neutrophils: 3-5%
segment neutrophil: 50-70%

eosinophil: 2-4%
basophil 0-1%
monocyte 2-6%
lymphocytes 20-40%

Question 12

Bleeding time

Prothrombin time

Thrombin time

Answer 12

bleeding time: 4-6 min

PT 0.8 - 1.2 min

Thrombin time 20-22s

Question 13

Activated partial thromboplastin time (aPTT)

Answer 13

aPTT: 35-45s

Question 14

Fibrinogen concentration

Answer 14

1.5-4.0 g/L