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NCLEX lab values flashcards
Normal ranges for the labs the NCLEX tests most, with the reason each one matters for your patient. Ranges vary slightly by lab; these are the commonly taught values.
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- Sodium (Na+)Main extracellular cation (normal 135-145 mEq/L)
- Potassium (K+)Main intracellular cation (normal 3.5-5.0 mEq/L)
- Calcium (Ca++)Bone, clotting, muscle contraction (normal 8.6-10.2 mg/dL)
- Magnesium (Mg++)Neuromuscular and cardiac function (normal 1.3-2.1 mEq/L)
- PhosphateTypical range 2.5-4.5 mg/dL
- Fasting GlucoseTypical range 70-99 mg/dL
- HbA1cReflects ~3-month glucose average
- BUNTypical range 7-20 mg/dL
- CreatinineTypical range 0.6-1.2 mg/dL
- GFRNormal 90+ mL/min
- Hemoglobin (Hgb)Men 14-17.4, women 12-16 g/dL
- Hematocrit (Hct)Men 42-52%, women 37-47%
- Platelets
- WBC
- INR
- PT
- aPTT
- ABG - pH
- ABG - PaCO2
- ABG - HCO3
- ABG - PaO2
- Digoxin Level
- Lithium Level
- Phenytoin Level
- Cholesterol (Total)
- Troponin
- BNP
- Ammonia
- Lithium Therapeutic Range
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For study only, not medical advice.