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Hematologic Reference Ranges

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Hematologic Reference Ranges a

Conventional (USA) Units

SI Units

Dog

Cat

Cow

Horse

Pig

Sheep

Goat

Rabbit

Llama

Vietnamese Potbellied Pig

Ostrich

PCV (hematocrit)

%

× 10–2 L/L

35–57(25–34)b

30–45(24–34)b

24–46

27–43c

36–43 (26–35)b

27–45

22–38

33–50

29–39

37–51

32

Hemoglobin (Hgb)

g/dL

× 10 g/L

12–19

10–15

8–15

10–16

9–13

9-15

8–12

10–17

13–18

11–15

12

Red blood cells

× 106/μL

× 1012 g/L

5.0–7.9

5.0–10.0

5.0–10.0

6.0–10.4

5–7

9–15

8–18

5–8

11–18

6–8

1.7

Reticulocytes

%

%

0–1.0

0–0.6

0

0

0–12

0

0

Mean corpuscular volume

f L

f L

66–77

39–55

40–60

37–49

52–62

28–40

16–25

58–67

21–28

47–68

174

Mean corpuscular Hgb

pg

pg

21.0––26.2

13–17

11–17

13.7–18.2

17–24

8–12

5.2–8

17–24

43–47

14–22

61

Mean corpuscular Hgb concentration

g/dL

× 10 g/L

32.0–36.3

30–36

30–36

35.3–39.3

29–34

31–34

30–36

29–37

28–33

33

Platelets

× 103/μL

× 109/L

211–621

300–800

100–800

117–256

200–500

250–750

300–600

250–650

White blood cells

× 103/μL

× 109/L

5.0–14.1

5.5–19.5

4.0–12.0

5.6–12.1

11–22

4–12

4–13

5–12.5

7.5–21.5

19–38

5.5

Neutrophils

%

%

58–85

45–64

15–33

52–70

20–70

10–50

30–48

20–75

60–74

18–63

63d

(segmented)

× 103/μL

× 109/L

2.9–12.0

2.5–12.5

0.6–4.0

2.9–8.5

2–15

0.7–6.0

1.2–7.2

1–9.4

4.6–16

3.3–24

3.4

Neutrophils

%

%

0–3

0–2

0–2

0–1

0–4

0

rare

0–1

0–1

(band)

× 103/μL

× 109/L

0–0.45

0–0.3

0–0.1

0–0.1

0–0.8

0–0.35

0–0.4

Lymphocytes

%

%

8–21

27–36

62–63

21–42

35–75

40–75

50–70

30–85

13–35

24–70

34

× 103/μL

× 109/L

0.4–2.9

1.5–7.0

2.5–7.5

1.2–5.1

3.8–16.5

2–9

2–9

1.6–10.6

1–7.5

4.5–27

188

Monocytes

%

%

2–10

0–5

0–8

0–6

0–10

0–6

0–4

1–4

1–4

3–13

2.8

× 103/μL

× 109/L

0.1–1.4

0–0.9

0–0.9

0–0.7

0–1

0–0.75

0–0.55

0.05–0.5

0.05–0.8

0.6–5.0

0.15

Eosinophils

%

%

0–9

0–4

0–20

0–7

0–15

0–10

1–8

1–4

0–15

1–12

0.3

× 103/μL

× 109/L

0–1.3

0–0.8

0–2.4

0–0.8

0–1.5

0–1

0.05–0.65

0.05–0.5

0–3.3

0.2–4.6

0.02

Basophils

%

%

0–1

0–1

0–2

0–2

0–3

0–3

0–1

1–7

0–2

0

0.2

× 103/μL

× 109/L

0–0.1

0–0.2

0–0.2

0–0.3

0–0.5

0–0.3

0–0.12

0.05–0.9

0–0.4

0–0.4

Myeloid/erythroid ratio

0.75–2.5:1

0.6–3.9:1

0.3–1.8:1

0.5–1.5:1

1.2–2.2:1

0.8–1.7:1

0.7–1.0:1

Plasma proteinse

g/dL

× 10 g/L

6.0–7.5

6.0–7.5

6.0–8.0

6.0–8.5

6–8

6–7.5

6–7.75

5.4–8.3

5.4–8.5

Plasma fibrinogen

g/dL

× 10 g/L

0.15–0.3

0.15–0.3

0.1–0.6

0.1–0.4

0.2–0.4

0.1–0.5

0.1–0.4

0.2–0.4

0.1–0.4

0.1–0.4

a Adapted, with permission, in part from Latimer K.S., Mahaffey E.A., and Prasse K.W., Duncan and Prasse's Veterinary Laboratory Medicine: Clinical Pathology, 4th ed., Wiley-Blackwell, 2003. Reference ranges vary between laboratories. Using values supplied by the laboratory that is routinely used is recommended.

b 5- to 6-wk-old pups, kittens; 3- to 45-day-old pigs

c Lower in foals and cold-blooded horses

d Heterophil

e Lower in young animals

Hematologic Reference Ranges a

Conventional (USA) Units

SI Units

Dog

Cat

Cow

Horse

Pig

Sheep

Goat

Rabbit

Llama

Vietnamese Potbellied Pig

Ostrich

PCV (hematocrit)

%

× 10–2 L/L

35–57(25–34)b

30–45(24–34)b

24–46

27–43c

36–43 (26–35)b

27–45

22–38

33–50

29–39

37–51

32

Hemoglobin (Hgb)

g/dL

× 10 g/L

12–19

10–15

8–15

10–16

9–13

9-15

8–12

10–17

13–18

11–15

12

Red blood cells

× 106/μL

× 1012 g/L

5.0–7.9

5.0–10.0

5.0–10.0

6.0–10.4

5–7

9–15

8–18

5–8

11–18

6–8

1.7

Reticulocytes

%

%

0–1.0

0–0.6

0

0

0–12

0

0

Mean corpuscular volume

f L

f L

66–77

39–55

40–60

37–49

52–62

28–40

16–25

58–67

21–28

47–68

174

Mean corpuscular Hgb

pg

pg

21.0––26.2

13–17

11–17

13.7–18.2

17–24

8–12

5.2–8

17–24

43–47

14–22

61

Mean corpuscular Hgb concentration

g/dL

× 10 g/L

32.0–36.3

30–36

30–36

35.3–39.3

29–34

31–34

30–36

29–37

28–33

33

Platelets

× 103/μL

× 109/L

211–621

300–800

100–800

117–256

200–500

250–750

300–600

250–650

White blood cells

× 103/μL

× 109/L

5.0–14.1

5.5–19.5

4.0–12.0

5.6–12.1

11–22

4–12

4–13

5–12.5

7.5–21.5

19–38

5.5

Neutrophils

%

%

58–85

45–64

15–33

52–70

20–70

10–50

30–48

20–75

60–74

18–63

63d

(segmented)

× 103/μL

× 109/L

2.9–12.0

2.5–12.5

0.6–4.0

2.9–8.5

2–15

0.7–6.0

1.2–7.2

1–9.4

4.6–16

3.3–24

3.4

Neutrophils

%

%

0–3

0–2

0–2

0–1

0–4

0

rare

0–1

0–1

(band)

× 103/μL

× 109/L

0–0.45

0–0.3

0–0.1

0–0.1

0–0.8

0–0.35

0–0.4

Lymphocytes

%

%

8–21

27–36

62–63

21–42

35–75

40–75

50–70

30–85

13–35

24–70

34

× 103/μL

× 109/L

0.4–2.9

1.5–7.0

2.5–7.5

1.2–5.1

3.8–16.5

2–9

2–9

1.6–10.6

1–7.5

4.5–27

188

Monocytes

%

%

2–10

0–5

0–8

0–6

0–10

0–6

0–4

1–4

1–4

3–13

2.8

× 103/μL

× 109/L

0.1–1.4

0–0.9

0–0.9

0–0.7

0–1

0–0.75

0–0.55

0.05–0.5

0.05–0.8

0.6–5.0

0.15

Eosinophils

%

%

0–9

0–4

0–20

0–7

0–15

0–10

1–8

1–4

0–15

1–12

0.3

× 103/μL

× 109/L

0–1.3

0–0.8

0–2.4

0–0.8

0–1.5

0–1

0.05–0.65

0.05–0.5

0–3.3

0.2–4.6

0.02

Basophils

%

%

0–1

0–1

0–2

0–2

0–3

0–3

0–1

1–7

0–2

0

0.2

× 103/μL

× 109/L

0–0.1

0–0.2

0–0.2

0–0.3

0–0.5

0–0.3

0–0.12

0.05–0.9

0–0.4

0–0.4

Myeloid/erythroid ratio

0.75–2.5:1

0.6–3.9:1

0.3–1.8:1

0.5–1.5:1

1.2–2.2:1

0.8–1.7:1

0.7–1.0:1

Plasma proteinse

g/dL

× 10 g/L

6.0–7.5

6.0–7.5

6.0–8.0

6.0–8.5

6–8

6–7.5

6–7.75

5.4–8.3

5.4–8.5

Plasma fibrinogen

g/dL

× 10 g/L

0.15–0.3

0.15–0.3

0.1–0.6

0.1–0.4

0.2–0.4

0.1–0.5

0.1–0.4

0.2–0.4

0.1–0.4

0.1–0.4

a Adapted, with permission, in part from Latimer K.S., Mahaffey E.A., and Prasse K.W., Duncan and Prasse's Veterinary Laboratory Medicine: Clinical Pathology, 4th ed., Wiley-Blackwell, 2003. Reference ranges vary between laboratories. Using values supplied by the laboratory that is routinely used is recommended.

b 5- to 6-wk-old pups, kittens; 3- to 45-day-old pigs

c Lower in foals and cold-blooded horses

d Heterophil

e Lower in young animals

Last full review/revision March 2012

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