Chemistry Reference Ranges

Question 1

Sodium (mmol/L)

Answer 1

136-145 mmol/L

Question 2

Potassium (mmol/L)

Answer 2

3.5-5.1 mmol/L

Question 3

Chloride (mmol/L)

Answer 3

98-107 mmol/L

Question 4

Total CO2 (mmol/L)

Answer 4

22-33 mmol/L

Question 5

Creatinine (mg/dl)

Answer 5

0.8-1.2 mg/dl

Question 6

Creatinine (µmol/L)

Answer 6

71-106 µmol/L

Question 7

Blood urea nitrogen (BUN)
(mg/dl)

Answer 7

6-20 mg/dl

Question 8

BUN (mmol/L)

Answer 8

2.1-7.1 mmol/L

Question 9

Fasting glucose (mg/dl)

Answer 9

74-100 mg/dl

Question 10

Fasting glucose (mmol/L)

Answer 10

4.1-5.6 mmol/L

Question 11

Hemoglobin A1C (%)

Answer 11

Less than 5.7%

Question 12

Hemoglobin A1C (mmol/mol)

Answer 12

Less than 39 mmol/mol

Question 13

Haptoglobin (mg/dl)

Answer 13

30-200 mg/dl

Question 14

Haptoglobin (g/L)

Answer 14

0.3-2.0 g/L

Question 15

Arterial blood gas pH

Answer 15

7.35-7.45

Question 16

Arterial blood gas pCO2 (mmHg)

Important when deciding if you have respiratory/metabolic acidosis/alkalosis!

Answer 16

35-44 mmHg

Question 17

Arterial blood gas pCO2 (kPa)

Answer 17

4.7-5.9 kPa

Question 18

Arterial blood gas pO2 (mmHg)

Answer 18

Greater than 80 mmHg

Question 19

Arterial blood gas pO2 (kPa)

Answer 19

Greater than 10.6 kPa

Question 20

Arterial blood gas O2 saturation (%)

Answer 20

Greater than 95%

Question 21

Arterial blood gas HCO3- (mmol/L)

Answer 21

23-29 mmol/L