Veterinary Normal Values

Blood Gas

Canine Feline Arterial Venous Arterial Venous

pH

7.35-7.42

7.35-7.42

7.35-7.42

7.31-7.42

Pco2

mm Hg

33.8-39.8

29.0-42.0

28.1-33.9

29.0-42.0

Po2

mm Hg

86.5-97.7

49.9-54.2

101.1-112.5

27.1-50.0

HCO3*

mmol/L

20.5-23.9

22.2-22.4

16.2-19.8

15.4-23.4

*Calculated value. Electrolytes / Chemistry

Canine Feline

Na

mEq/L

146-154

152-159

K

mEq/L

3.8-5.3

3.1-4.5

Cl

mEq/L

105-115

117-123

iCa

mmol/L*

1.26-1.39

1.25-1.47

BUN

mg/dL

12-25

10-30

Creatinine

mg/dL

<2.0

<2.0

Lactate

mmol/L*

<2.5

<2.5

*To convert mmol to mg/dl multiply by 4.01. These ranges are provided as a guide only. Each laboratory should establish its own reference ranges based on its unique patient population. Test results should always be interpreted in conjunction with the patient’s history and clinical signs. For further information, contact Vetlab Supply at (800)330-1522 or email info@vetlab.com.

Rev. 5/2011