Need to Know Lab Values NCLEX

Sodium (NA)

135-145 meq

Potassium (K)

3.5-5 meq

Calcium (Ca)

9.0-10 mg/dl

Magnesium (Mg)

1.3-2.1 mg/dl

Phosphorus (PO)

3.0-4.5

Glucose (fasting)

70-105

pH

7.35-7.45,

over 90 years 7.25-7.45

Pa CO2

35-45 mmHg

Pa O2

>80-100mm Hg

HCO3 (bicarb)

21-26 meq

Cl (chloride)

98-106 meq

RBC's males

4.7-6.1 million

RBC's females

4.2-5.4 million

HGB

males: 14-18

females: 12-16

HCT

males: 42-52%

females: 37-47%

WBC's

5,000-10,000 mm3

Erythrocyte Sedimentation rate

<20 mm/hr

Total Serum Cholesterol

desirable less than 200mg/dl, less than 150mg/dl is target range for therapy to reduce risk of CV

LDL

less than 100mg/dl

HDL

greater than 40 for men

greater than 50 for women

Triglycerides

less than 150

Therapeutic INR

2.0-3.0

PT

11-14 seconds. Therapeutic range for anticoag therapy is 1.5-2 X normal range

PTT

16-40 range, remain <40 sec. Therapeutic range for anticoag therapy is 1.5-2.5 X normal value

INR

Normal 0.9-1.2

If client needs anti-coagulation, desired value 2-3

Albumin

3.8-5

Ammonia

35-65

Total bilirubin

0.0-1.5

Total Protein

6-8

Urine Specific Gravity

1.005-1.030

Urine pH

average 6.0, range 4.6-8.0

Presence of glucose in urine

negative

Presence of RBC's in urine

negative

Presence of WBC's in urine

negative

Presence of albumin in urine

negative

Bacteria in urine

< 1000 colonies/mL

Serum creatinine

Males: 0.6-1.2

Females: 0.5-1.1

BUN

10-20

GFR

90-120 mL/min

Digoxin Level

0.8-2.0 ng/mL

Lithium Level

0.4-1.0 meQ/L

Magnesium sulfate

Levels are obtained 1 hour after loading dose and then every 6 hours, and the maintenance dosage should be titrated to maintain a level of 4-8

Phenobarbital

10-30

Theophylline

10-20

Hb A1C

5-7