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Lab Values per Saunder's 4th Edition NCLEX RN by Linda Anne Silvestri

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Term
Definition
Sodium   135-145 mEq/L  
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Potassium   3.5-5.1 mEq/L  
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Chloride   98-107 mEq/L  
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Bicarbonate (arterial)   22-26 mEq/L  
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aPTT, Activated partial thromboplastin time   20-26 seconds aPTT should be 1.5-2.5 times normal when receiving heparin therapy  
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PT (male) Prothrombin time   9.6-11.8 seconds (male adult)  
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PT (female) Prothrombin time   9.5-11.3 seconds (female adult)  
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INR, (Standard warfarin therapy) International normalized ratio   2.0-3.0 seconds, Standard warfarin therapy  
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INR, (High-dose warfarin therapy) International normalized ratio   3.0-4.5 seconds, High-dose warfarin therapy  
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Platelets   150,000-400,000 cells/mm3  
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Hemoglobin (male adult)   14-16.5 g/dL  
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Hemoglobin (non-pregnant female adult)   12-15 g/dL  
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Hematocrit (male adult)   42%-52%  
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Hematocrit (non-pregnant female adult)   35%-47%  
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RBC (male adult)   4.5-6.2 million/microL  
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RBC (non-pregnant female adult)   4.0-5.5 million/microL  
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Troponin I   <0.6 ng/mL >1.5 ng/mL indicates myocardial infarction  
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Troponin T   >0.1-0.2 ng/mL indicates myocardial infarction  
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Albumin   3.4-5.0 g/dL  
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Glucose (fasting blood glucose)   70-110 mg/dL  
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Creatinine (serum)   0.6-1.3 mg/dL  
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Blood, urea, nitrogen   8-25 mg/dL  
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Calcium   8.6-10.0 mg/dL  
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Magnesium   1.6-2.6 mg/dL  
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Phosphorus   2.7-4.5 mg/dL  
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WBC   4,500-11,000 cells/mm3  
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Urine Specific Gravity   1.016-1.022  
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Protein Total amount of albumin and globulins in plasma   6.0-8.0 g/dL  
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Alkaline phosphatase   4.5-13 King-Armstrong units/dL  
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Ammonia   35-65 mg/dL  
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Lithium, Therapeutic Levels   0.6-1.2 mEq/L  
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Serum Osmolality (Adults)   280 - 300 mOsm/kg water  
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Serum Osmolality formula based on sodium   2 x (Na+)  
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Serum Osmolality formula based on Glucose/BUN   Glucose/18 + BUN/3  
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Anion Gap (applies to metabolic acidosis) simple formula   (Na+) - [(Cl-) + (HCO3-)]  
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Anion Gap (normal value)   8 - 12 mEq/L  
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Hemoglobin (Newborn)   17 - 20 g/dL  
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Hematocrit (Newborn)   52% - 63%  
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Platelets (Newborn)   100,000 - 300,000 cells/microL  
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RBC (Newborn)   5.1 - 5.8 million/microL  
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WBC (Newborn)   10,000 - 30,000 cells/mm3  
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Hemoglobin (Pregnant female)   11.5 - 14 g/dL, < 10 indicates anemia  
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Hematocrit (Pregnant female)   32% - 42%  
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RBC (Pregnant female)   3.5 - 5.0 million/microL  
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WBC (Pregnant female)   5,000 - 15,000 cells/mm3  
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Platelets (Pregnant female)   No significant change until 3 to 5 days after delivery, then a marked increase.  
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Ejection Fraction (EF) for adult heart   55%-65% of ventricular volume  
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