Normal Lab Values

Question 1

WBC

Answer 1

5,000-10,000

Question 2

Hgb
(Amount of oxygen-carrying hemoglobin protein in your blood)

Answer 2

12-18

Question 3

Hct
(% red cells in your blood)

Answer 3

37%-54%

Question 4

MCV
(Mean Corpuscular Volume — the average size of your blood cells)

Answer 4

80-100

Question 5

Platelet count

Answer 5

150,000-450,000

> 50,000 adequate for hemostasis

Question 6

ABG Ph

Answer 6

7.35-7.45

Low pH: acidotic state (high hydrogen ion concentration) <7.4
High pH: alkalotic state (low hydrogen ion concentration) >7.4

Question 7

ABG PaCO2

High PCO2 = low pH (vice versa), high respiration

Answer 7

35-45

Question 8

ABG HCO3

Bicarbonate rises = pH rises (vice versa)

Answer 8

21-27

Question 9

PT

Answer 9

10-13 sec

Question 10

INR

Answer 10

0.8-1.1

Question 11

PTT

Answer 11

22-37 sec

Question 12

Calcium

Answer 12

8.4-10.6

Question 13

Sodium

Answer 13

135-145

Question 14

Potassium

Answer 14

3.5-5

Question 15

Glucose

Answer 15

70-110

Question 16

Magnesium

Answer 16

1.3-2.1

Question 17

Phosphorus

Answer 17

3-4.5

Question 18

Creatinine

Answer 18

0.6-1.2

Question 19

BUN
(Blood Urea Nitrogen — tests how well your kidneys are working)

Answer 19

25-50

Question 20

Serum osmolarity

Answer 20

275-295

Question 21

Osmolar gap

Answer 21

<10

Question 22

Anion gap

Answer 22

4-12

Measures the difference between the negatively charged and positively charged electrolytes in your blood

High = acidic
Low = basic

Question 23

AST Male

Answer 23

8-40

Question 24

AST Female

Answer 24

6-34

Question 25

ALT Male

Answer 25

10-40

Question 26

ALT Female

Answer 26

9-32