University of Minnesota-Twin Cities Normal Ranges of Lab Values_ATI(Pass the NCLEX Study Guide)

University of Minnesota-Twin Cities


Normal Ranges of Lab Values_ATI
Pass the NCLEX Study Guide


Sodium 135-14 5



Potassium 3.5-5


Phosphorus 2.5-4.5


C reatinine 0.6-1.2


BUN 5-20


Serum Albumin 3.4-5.4


Magnesium 1.5-2.5


C hloride 95-105


Specific gravity of urine 1.010-1.030


C alcium 8.5-10.5


HbA1c (glycosylated hemoglobin) <7%


HCO3 (bicarbonate) 22-26


pCO2 (partial pressure of carbon dioxide) 35-45


pO2 (partial pressure of oxygen) 80-100


protein 6.2-8.1


SpO2 95-100% or 88-92% for COPD


Hemoglobin (Hgb) for males 14-18


Hemoglobin (Hgb) for females 12-16


Hematocrit for males 42-52%

, Hematocrit for females 37-47%


Platelets 150,000-400,000


RBC 4.5-5.5 million


PTT (partial thromboplastin time) 20-35 seconds, if on heparin: 1.5-2.5x normal


PT 9-11 seconds


If the INR is greater than 3 in a client receiving initiate bleeding precautions
standard warfarin therapy (or per agency policy),
what is the nurse's priority ?


INR 0.9-1.8, 2-3 if on warfarin


bilirubin under 18 years <1.0


AST 10-40


normal range of digoxin 0.5-2


What is digoxin used for? heart failure and irregular heartbeat (atrial fibrillation)


antidote for digoxin overdose digoxin immune fab (Digibind)


normal range for Dilantin (Phenytoin) 10-20


What is Dilantin (phenytoin) used for? preventing seizures


antidote for Dilantin (Phenytoin) overdose no known antidote


normal range of theophylline 10-20


What is theophylline used for? asthma, chronic bronchitis, emphysema


antidote for theophylline overdose activated charcoal


normal range for lithium 0.5-1.2


What is lithium used for? bipolar disorder


normal range for gentamicin 5-10


What is gentamicin used for? bacterial infections