Normal Lab Values

Question 1

Alanine aminotransferase (ALT, GPT at 30 C)

Answer 1

8-20 U/L

Question 2

Amylase, serum

Answer 2

25-125 U/L

Question 3

Aspartate aminotransferase (AST, GOT at 30 C)

Answer 3

8-20 U/L

Question 4

Bilirubin, serum (adult) Total // Direct

Answer 4

0.1-1.0 mg/dL // 0.0-0.3 mg/dL

Question 5

Calcium, serum (Ca2+)

Answer 5

8.4-10.2 mg/dL

Question 6

Cholesterol, serum

Answer 6

Rec:<200 mg/dL

Question 7

Cortisol, serum: morning (0800 hr)

Answer 7

0800 h: 5-23 µg/dL // 1600 h: 3-15 µg/dL

Question 8

Cortisol, serum: night (2000 hr)

Answer 8

2000 h:

Question 9

Creatine kinase, serum: Male

Answer 9

Male: 25-90 U/L

Question 10

Creatine kinase, serum: Female

Answer 10

Female: 10-70 U/L

Question 11

Creatinine, serum

Answer 11

0.6-1.2 mg/dL

Question 12

Serum Sodium (Na+)

Answer 12

136-145 mEq/L

Question 13

Serum Chloride (Cl-)

Answer 13

95-105 mEq/L

Question 14

Serum Potassium (K+)

Answer 14

3.5-5.0 mEq/L

Question 15

Serum Bicarbonate (HCO3-)

Answer 15

22-28 mEq/L

Question 16

Serum Magnesium (Mg2+)

Answer 16

1.5-2.0 mEq/L

Question 17

Estriol, total, serum (in pregnancy) 24-28 wks // 32-36 wks

Answer 17

30-170 ng/mL // 60-280 ng/mL

Question 18

Estriol, total, serum (in pregnancy)28-32 wks // 36-40 wks

Answer 18

40-220 ng/mL // 80-350 ng/mL

Question 19

Ferritin, serum (Male and Female)

Answer 19

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

Question 20

Follicle-stimulating hormone, serum/plasma Male

Answer 20

Male: 4-25 mIU/mL

Question 21

Follicle-stimulating hormone, serum/plasma: Female (premenopause)

Answer 21

Female: premenopause 4-30 mIU/mL

Question 22

Follicle-stimulating hormone, serum/plasma: Female (midcycle)

Answer 22

midcycle peak 10-90 mIU/mL

Question 23

Follicle-stimulating hormone, serum/plasma: Female (postmenopause)

Answer 23

postmenopause 40-250 mIU/mL

Question 24

Gases, arterial blood (room air) pH

Answer 24

7.35-7.45

Question 25

Gases, arterial blood (room air) PCO2

Answer 25

33-45 mm Hg

Question 26

Gases, arterial blood (room air) PO2

Answer 26

75-105 mm Hg

Question 27

Glucose, serum: Fasting

Answer 27

Fasting: 70-110 mg/dL

Question 28

Glucose, serum: 2hr postprandial

Answer 28

2-h postprandial: < 120 mg/dL

Question 29

Growth hormone - arginine stimulation: fasting

Answer 29

Fasting: < 5 ng/mL

Question 30

Growth hormone - arginine stimulation: provocative stimuli

Answer 30

provocative stimuli: > 7 ng/mL

Question 31

Immunoglobulins, serum IgA

Answer 31

76-390 mg/dL

Question 32

Immunoglobulins, serum IgE

Answer 32

0-380 IU/mL

Question 33

Immunoglobulins, serum IgG

Answer 33

650-1500 mg/dL

Question 34

Immunoglobulins, serum IgM

Answer 34

40-345 mg/dL

Question 35

Iron

Answer 35

50-170 µg/dL

Question 36

Lactate dehydrogenase, serum

Answer 36

45-90 U/L

Question 37

Luteinizing hormone, serum/plasma: Male

Answer 37

Male: 6-23 mIU/mL

Question 38

Luteinizing hormone, serum/plasma: Female (follicular phase)

Answer 38

Female: follicular phase 5-30 mIU/mL

Question 39

Luteinizing hormone, serum/plasma: Female (midcycle)

Answer 39

midcycle 75-150 mIU/mL

Question 40

Luteinizing hormone, serum/plasma: Female (postmenopause)

Answer 40

postmenopause 30-200 mIU/mL

Question 41

Osmolality, serum

Answer 41

275-295 mOsmol/kg

Question 42

Parathyroid hormone, serum, N-terminal

Answer 42

230-630 pg/mL

Question 43

Phosphatase (alkaline), serum (p-NPP at 30 ° C)

Answer 43

20-70 U/L

Question 44

Phosphorus (inorganic), serum

Answer 44

3.0-4.5 mg/dL

Question 45

Prolactin, serum (hPRL)

Answer 45

< 20 ng/mL

Question 46

Proteins, serum Total (recumbent)

Answer 46

6.0-7.8 g/dL

Question 47

Proteins, serum Albumin

Answer 47

3.5-5.5 g/dL

Question 48

Proteins, serum Globulin

Answer 48

2.3-3.5 g/dL

Question 49

Thyroid-stimulating hormone, serum or plasma

Answer 49

0.5-5.0 µU/mL

Question 50

Thyroidal iodine (123I) uptake

Answer 50

8-30% of administered dose/24 h

Question 51

Thyroxine (T4), serum

Answer 51

5-12 µg/dL

Question 52

Triglycerides, serum

Answer 52

35-160 mg/dL

Question 53

Triiodothyronine (T3), serum (RIA)

Answer 53

115-190 ng/dL

Question 54

Triiodothyronine (T3) resin uptake

Answer 54

25-35%

Question 55

Urea nitrogen, serum (BUN)

Answer 55

7-18 mg/dL

Question 56

Uric acid, serum

Answer 56

3.0-8.2 mg/dL