Laboratory Values

Serum Electrolytes: Sodium

136 to 145 mEq/L

Serum Electrolytes: Potassium

3.5 to 5 mEq/L

Serum Electrolytes: Calcium total

9.0 to 10.5 mg/dL

Serum Electrolytes: Magnesium

1.3 to 2.1 mEq/L

Serum Electrolytes: Phosphorus

3.0 to 4.5 mg/dL

Serum Electrolytes: Chloride

98 to 106 mEq/L

ABG: pH

7.35 to 7.45

ABG: PaCO₃

35 to 45 mm Hg

ABG: PaO₂

80 to 100 mm Hg

ABG: HCO₃ bicarbonate

21 to 28 mEq/L

CBC: RBCs

Males: 4.7. To 6.1 million/uL

Females: 4.2 to 5.4 million/uL

CBC: Hgb

Males: 14 to 18 g/dL

Females: 12 to 16 g/dL

CBC: Hct

Males: 42% to 52%

Females: 37% to 47%

CBC: WBCs

5,000 to 10,000 mm³

Cbc: erythrocyte sedimentation rate

Less than 20 mm/hr

Total serum cholesterol

desirable less than 200 mg/dL; risk for cardiac or stroke event with levels greater than 150 mg/dL is the target range for therapy and has been shown to be the cut point to decrease cerebrovascular or arterial incidences/

Low-density lipids (LDL)

Desirable less than 130 mg/dL

High-density lipids (HDL)

Males greater than 45 mg/dL

Females greater than 55 mg/dL

Triglycerides

Desirable less than 150 mg/dL;

Males 40 to 160 mg/dL

Females 35 to 135 mg/dL

PT

11 to 12.5 seconds.

Therapeutic range for anticoagulant therapy is 1.5 to 2 times the normal control value. Critical value greater than 70 seconds

Activated Partial Thromboplastin Time (aPTT)

30 to 40 seconds

Critical value greater than 70 seconds

Partial Thromboplastin Time (PTT)

60 to 70 seconds greater than 100 seconds

Therapeutic range for anticoagulant therapy is 1.5 to 2 times the normal or control value

INR

1. Normal ___ is 0.8 to 1.1

2. If the client requires anticoagulation, the desired value is increased to approxImately 2 to 3. Critical value greater than 5

3. The ___ is a corrected ration of a client’s prothrombin time to normal

4. Universal test is not affected by variations in laboratory norms

Platelets

150,000 to 400,000/mm³

Critical value less than 20,000 or greater than 1 million/mm³

Liver Function Test: Albumin

3.5 to 5 g/dL

Liver Function Test: Ammonia

10 to 80 mcg/dL

Liver Function Test: Total bilirubin

0.1 to 1.0 mg/dL

Liver Function Test: Total protein

6 to 8 g/dL

Urinalysis: Specific gravity

1.005 to 1.030

Urinalysis: Protein

0 to 8 mg/dL

Urinalysis: Glucose

Less than 0.5 g/day

Urinalysis: Ketones

None

Urinalysis: pH

4.6 to 8

Urinalysis: WBC

Males: 0 to 3 per high-power field

Females: 0 to 5 per high-power field

Renal Function: Serum Creatinine

Males: 0.6 to to 1.2 mg/dL

Females: 0.5 to 1.1 mg/dL

Renal Function: BUN

10 to 20 mg/dL

Renal Function: Creatinine Clearance Test

Males: 90 to 139 mL/min

Females: 80 to 125 mL/min

This is a calculation of glomerular filtration rate (GFR) and is the best indicator of overall renal function.

Therapeutic Medication Monitoring: Digoxin level

0.8 to 2.0 ng/mL

Therapeutic Medication Monitoring: Lithium level

0.4 to 1.4 mEq/L

Therapeutic Medication Monitoring: Phenobarbital

10 to 40 mcg/mL

Therapeutic Medication Monitoring: Theophylline

10 to 20 mcg/mL

Therapeutic Medication Monitoring: Phenytoin

10 to 20 mcg/mL

Blood Glucose Levels: Glucose (fasting)

70 to 105 mg/dL

Blood Glucose Levels: Glycosylated hemoglobin (HbA1c)

4% to 6% is within the expected reference range. Greater than 8% indicates poor diabetes mellitus control