LAB PARAMETERS

Question 1

Alanine aminotransferase (ALT)

Answer 1

10–40 U/L

Question 2

Albumin

Answer 2

3.5–5 g/dL (adults)
3.4–4.2 g/dL (young children)

Question 3

Alkaline phosphatase (ALP)

Answer 3

Varies with age: 30–120 IU/L (adults) 150–420 IU/L (children)

Question 4

Ammonia

Answer 4

15–45 mcg/dL

Question 5

Amylase

Answer 5

27–131 U/L
25-125 U/L

Question 6

Aspartate aminotransferase (AST)

Answer 6

10–30 U/L
8-20 U/L

Question 7

Bilirubin, direct

Answer 7

0.1–0.3 mg/dL

Question 8

Bilirubin, total

Answer 8

0.3–1.2 mg/dL

Question 9

Blood urea nitrogen (BUN)

Answer 9

8–23 mg/dL (adults) Lower in children

Question 10

Calcium, ionized

Answer 10

4.6–5.1 mg/dL

Question 11

Calcium, total serum

Answer 11

8.2–10.2 mg/dL, 2.1-2.8mmol/L

Question 12

Carbon dioxide (venous) (CO2)

Answer 12

22–28 mEq/L

Question 13

Chloride (Cl)

Answer 13

96–106 mEq/L, 118-132mEq/L

Question 14

C-reactive protein (CRP)

Answer 14

0.08–3.1 mg/L

Question 15

Creatinine kinase (CK)

Answer 15

40–150 U/L

Question 16

Creatinine, serum (SCr)

Answer 16

0.6–1.2 mg/dL (adults)
0.2–0.7 mg/dL (children)

Question 17

Creatinine (clearance) (CrCl)

Answer 17

75–125 mL/minute/1.73 m2

Question 18

Ferritin

Answer 18

Male: 15–200 ng/mL, Female: 12-150 ng/mL

Question 19

γ-Glutamyl transpeptidase

Answer 19

2–30 U/L

Question 20

Glucose, serum

Answer 20

70–110 mg/dL

Question 21

Hemoglobin A1C percent of
total hemoglobin

Answer 21

4%–7%

Question 22

Lactate dehydrogenase (LDH)

Answer 22

100–200 U/L

Question 23

Lipase

Answer 23

31–186 U/L

Question 24

Magnesium

Answer 24

1.3–2.1 mEq/L

Question 25

Osmolality, serum

Answer 25

275–295 mOsm/kg

Question 26

Phosphorus

Answer 26

2.3–4.7 mg/dL (adults)
3.7–5.6 mg/dL (children)

Question 27

Potassium

Answer 27

3.5–5.0 mEq/L

Question 28

Prealbumin

Answer 28

19.5–35.8 mg/dL

Question 29

Sodium

Answer 29

136–142 mEq/L

Question 30

Uric acid, serum

Answer 30

Uric acid, serum 4–8 mg/dL, 3.0-8.2mg/dL