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Clinical Science > Lab Reference Ranges > Flashcards

Lab Reference Ranges Flashcards

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1
Q

normal WBC

A

4.5-11.0 x 10^3/uL

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2
Q

Neutrophils: % of WBCs

A

50-70%

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3
Q

normal absolute neutrophils

A

1.8-7.8 x 10^3/uL

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4
Q

Lymphocytes: % of WBCs

A

20-40%

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5
Q

normal absolute lymphocytes

A

1.8-4.8 x 10^3/uL

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6
Q

monocytes: % of WBCs

A

2-8%

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7
Q

normal absolute monocytes

A

0.0-0.8 X 10^3/uL

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8
Q

eosinophils: % of WBCs

A

0-7%

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9
Q

normal absolute eosinophils

A

0.00-0.45 X 10^3/uL

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10
Q

basophils: % of WBCs

A

0-3%

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11
Q

normal absolute basophils

A

0.00-0.20 X 10^3/uL

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12
Q

normal platelet count

A

150-450 X 10^3/uL

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13
Q

normal RBC count (male)

A

4.6-6.0 x 10^6/uL

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14
Q

normal RBC count (female)

A

3.9-5.5 x 10^6/uL

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15
Q

normal hemoglobin (male)

A

13.6-17.2 g/dL

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16
Q

normal hemoglobin (female)

A

12.0-15.0 g/dL

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17
Q

normal hematocrit (male)

A

41-50%

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18
Q

normal hematocrit (female)

A

35-45%

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19
Q

normal Hb A (adults)

A

95-98%

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20
Q

normal Hb A2 (adults)

A

2-3.5%

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21
Q

normal Hb F (adults)

A

less than 2%

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22
Q

normal Hb F (newborn)

A

50-80%

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23
Q

normal Hb F (6 mo.)

A

8%

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24
Q

normal Hb F (children, >6 mo.)

A

less than 2%

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25
Q

normal serum iron

A

60-150 mcg/dl (varies w/ age)

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26
Q

normal reticulocyte count

A

0.5-1.5% RBCs

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27
Q

normal serum ferritin

A

15-200 ng/ml

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28
Q

normal total iron binding capacity (TIBC)

A

250-400 mcg/dl

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29
Q

normal transferrin saturation

A

33% of binding sites

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30
Q

normal sodium

A

136-142 mEq/L

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31
Q

normal potassium

A

3.5-5.0 mEq/L

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32
Q

normal glucose

A

70-110 mg/dL

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33
Q

normal creatinine (male)

A

0.7-1.3 mg/dL

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34
Q

normal creatinine (female)

A

0.6-1.1 mg/dL

35
Q

normal total bilirubin

A

0.3-1.2 mg/dL

36
Q

normal unconjugated (indirect) bilirubin

A

70-85% of total bilirubin

37
Q

normal conjugated (direct) bilirubin

A

15-30% of total bilirubin

38
Q

hemoglobin A1C in nondiabetic adult or child

A

4-5.6% of total hemoglobin

39
Q

hemoglobin A1C: diagnosis of diabetes

A

> 6.5% of total hemoglobin

40
Q

hemoglobin A1C: poor control of diabetes

A

> 8% of total hemoglobin

41
Q

normal amylase

A

27-130 U/L

42
Q

normal lipase

A

0-160 U/L

43
Q

normal uric acid

A

4.0-8.5 mg/dL

44
Q

level at which uric acid can be deposited into joint tissue in the form of monosodium urate crystals

A

> 6.8 mg/dL

45
Q

normal brain natriuretic peptide (BNP)

A

less than 100 pg/mL

46
Q

increased BNP/probable CHF

A

> 500 pg/mL

47
Q

normal total CK (creatine kinase)

A

50-200 U/L

48
Q

normal CK-MB

A

0-3 mcg/L

49
Q

normal cardiac troponin I

A

less than 0.03 ng/mL

50
Q

normal cardiac troponin T

A

less than 0.1 ng/mL

51
Q

normal D-dimer

A

less than 0.4 mcg/mL

52
Q

normal total cholesterol

A

less than 200 mg/dL

53
Q

normal triglyceride

A

less than 150 mg/dL; borderline high: 150-199; high: 200-499; very high: 500 or above

54
Q

normal HDL (high-density lipoprotein) - male

A

> 40 mg/dL; desired >60 mg/dL; at risk less than 40 mg/dL

55
Q

normal HDL (high-density lipoprotein) - female

A

> 50 mg/dL; desired >60 mg/dL; at risk less than 50 mg/dL

56
Q

ideal LDL (low-density lipoprotein) for those at risk of heart disease

A

70-100 mg/dL; near ideal 100-130; borderline 130-159; high >160

57
Q

normal ESR

A

0-20 mm/h

58
Q

ESR level that is typically indicative of infection

A

> 100 mm/h

59
Q

normal C-reactive protein

A

0-10 mg/dL

60
Q

normal antinuclear antibody (ANA)

A

any value less than 1:40 dilution is negative. a value > 1:160 is strongly positive

61
Q

normal rheumatoid factor

A

less than 30 IU/mL

62
Q

normal thyroid stimulating hormone (TSH)

A

0.5-5.0 uIU/mL

63
Q

normal ACTH stimulation test range

A

> 20 mg/dL

64
Q

normal Factor V Leiden

A

negative

65
Q

normal bleeding time

A

1-9 minutes. platelet dysfunction at 9-15 minutes. critical at 15 minutes or more

66
Q

normal prothrombin time (PT)

A

11.0-12.5 seconds (85%-100%)

67
Q

normal INR

A

0.8-1.1; critical value INR>5

68
Q

preferred INR in DVT prophylaxis or treatment

A

2.0-3.0

69
Q

preferred INR in orthopedic surgery

A

2.0-3.0

70
Q

preferred INR in atrial fibrillation

A

2.0-3.0

71
Q

preferred INR in prosthetic valve prophylaxis

A

2.5-3.5

72
Q

normal partial thromboplastin time (PTT)

A

60-70 seconds (patients receiving anticoagulant therapy: 1.5-2.5 times control value in seconds)

73
Q

normal activated partial thromboplastin time (aPTT)

A

30-40 seconds (patients receiving anticoagulant therapy: 1.5-2.5 times control value in seconds)

74
Q

normal thrombin time

A

less than 20 seconds (dependent on lab)

75
Q

normal prostate specific antigen (PSA)

A

0.00-4.00 ng/mL

76
Q

urine dip specific gravity

A

1.003-1.035

77
Q

urine dip pH

A

4.5-8.0 depending on test

78
Q

urine dip urobilinogen

A

0.2-1.0 mg/dL

79
Q

significant UTI on UA (colony forming units)

A

greater than or equal to 100,000 (10^5) colony forming units (CFU)/mL. probably significant infection: CFU count greater than/equal to 10^2/mL and symptomatic

80
Q

normal 24 hour urine protein

A

less than 150 mg/day

81
Q

normal urine microalbumin

A

less than 2 mg/LITER

82
Q

normal urine and serum HCG (human chorionic gonadotropin)

A

less than 5 IU/L

83
Q

indeterminate urine/serum HCG

A

5-25 IU/L

Clinical Science (6 decks)

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