NUR 324: Fundamentals of Professional Nursing Practice LAB VALUES

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Last updated 2:53 PM on 7/23/26
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37 Terms

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White Blood Cell Count (WBC)

5000-10,000/micrograms/L

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Hemoglobin A1C (Hgb A1C)

<5% Normal (non diabetic) <7% Good diabetic control (goal) 8-9% Fair diabetic control >9% Poor diabetic control

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Blood Glucose (Blood sugar, Fasting Blood Sugar, FBS)

70-110 mg/dL Critical values: <50 mg/dL >450 mg/dL

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Men: Complete Blood Count: (CBC)

RBC: 4.2 - 6.0 x106/mm3 • HCT: 42-54% • HGB: 14-18 g/dL

*If RBC and HGB are normal, the HCT is about 3 times the HGB.

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Women Complete Blood Count: (CBC)

RBC: 4.2 - 5.4 x106/mm3 • HCT: 37-47% • HGB: 12-16 g/dL

*If RBC and HGB are normal, the HCT is about 3 times the HGB.

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Platelet Count

150 – 400 x106/mm3

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Urinalysis: (UA) pH

4.5 – 8.0

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Specific gravity

1.005 - 1.030

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Protein

Negative

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Sugar

Negative

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Ketones

Negative

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Nitrites

Negative

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Blood Urea Nitrogen (BUN)

10 - 20 mg/dL

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Creatinine (Cr, creat)

men0.7-1.4 mg/dL women 0.5-1.1 mg/dL Critical levels: > 10 mg/dL (nondialysis patient)

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BUN:Cr ratio

10:1 to 20

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Prothrombin Time (PT, Pro time)

11.0 – 13.0 seconds 1.5 - 2 x control (well-controlled anticoagulation therapy)

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INR (International Normalized Ratio)

2.0 - 3.5 (well-controlled anticoagulation therapy) Critical levels: >6.0 seconds

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Partial Thromboplastin time (PT

60 – 70 seconds (PTT) 1.5 – 2.5 x control (well-controlled anticoagulation therapy) Critical levels: >70 seconds

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Activated PTT (APTT)

30 – 40 seconds (APTT)

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Serum Electrolytes: Sodium

135 - 145 mEq/L

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Potassium

3.5 - 5.0 mEq/L

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Magnesium

1.5 - 2.5 mEq/L

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Chloride

95 - 105 mEq/L

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Calcium

8.5 - 10.5 mg/dL (total Ca++) 4.5 - 5.5 mg/dL (ionized)

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Phosphorous

2.8 -4.5 mg/dL or

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Serum Albumin

3.5 - 5 g/dL

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Arterial Blood Gases** (ABGs) pH

7.35 - 7.45

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PaCO2

35 – 45 mmHg

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HCO3-

22 – 26 mEq/L (or, mmol/L)

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PaO2

80 – 100 mm PaO

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Creatine Phosphokinase (CK, CPK, creatine kinase)

Total CK: Men: 55 - 170 mcg/L Women: 30 - 135 mcg/L

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Isoenzymes: CK-BB (I) CK-MB (II) CK-MM (III)

Isoenzymes (in % of total CK): CK-BB (I): 0% CK-MB (II): 0% CK-MM (III): 100%

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Cardiac Troponins Troponin T

Troponin T: < 0.1 ng/mL: Normal >1.5 ng/mL: Suggest cardiac injury

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Troponin

Troponin I: < 0.03 ng/mL: Normal > 0.1 ng/mL: Suggest cardiac injury

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Serum Cholesterol (total)

<199 mg/dL: Desirable levels 200-239 mg/dL: Borderline high > 240 mg/dL: High

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Serum Triglycerides

Men: 40 - 160 mg/dL Women: 35 - 135 mg/dL

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Pre-Albumin

15 – 36 mg/dL