hematology reference values

Question 1

RBC

Answer 1

4. 4-5.5 million/ul (m)
5. 8-5.2 million/ul (f)

Question 2

Hemoglobin values

Answer 2

120- 165 g/L (f)

135-170 g/L (m)

Question 3

Hematocrit

Answer 3

37-47% (L/L)

40-54% (L/L)

Question 4

MCV

Answer 4

Mean corpuscular volume 80-95 fL

Question 5

MCH

Answer 5

Mean corpuscular hemoglobin 28-33 pg

Question 6

MCHC

Answer 6

Mean corpuscular hemoglobin concentration 320-360 g/L

Question 7

ESR

Answer 7

Erythrocyte sedimentation rate <20 mm/h

Question 8

Reticulocyte count

Answer 8

0.5-2.0% as a fraction of total RBCs

Question 9

WBC

Answer 9

4-10 g/L

3.5-10.5 cells/ul

Question 10

Platelet count

Answer 10

150-400 g/l

150,000-450,000 cells/ul

Question 11

Percentages of neutrophils

Answer 11

Neutrophils: 55-75%

metamyelocyte/juvenile: 0-1%

band: 3-5%
segment: 50-70%

Question 12

WBC fractions

Answer 12

neutrophils 55-75%

eosinophils 2-4%

basophils 0-1%

monocyte 2-6%

lymphocytes 20-40%

Question 13

bleeding time

Answer 13

4-6 min

Question 14

prothrombin time

Answer 14

0.8-1.2 (INR)

Question 15

aPTT

activated partial thromboplastin time

Answer 15

35-45s

Question 16

thrombin time

Answer 16

20-22s

Question 17

fibrinogen concentration

Answer 17

1.5-4.0 g/L

Question 18

Serum ion concentrations:

Na

K

Cl

Ca

Answer 18

Na: 135-145 mM

K: 3.5-5.9 mM

Cl: 95-105 mM

Ca: 2.2-2.6 mM

Question 19

Serum ion concentrations

Fe

TIBC

Answer 19

females iron: 11-30 uM

males iron 12-36 uM

TIBC (total iron binding capacity)

females: 45-80 uM
males: 50-80 uM