Normal Lab Values
Terms
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- Sodium
- 136-145 mEq/L
- Potassium
- 3.4-5.0 mEq/L
- Calcium
-
8.4-10.3 mg/dL
critical values
<7.0 or >13.0 mg/dL - Magnesium
- 1.6-2.3 mEq/L
- Phosphorus
- 2.5-4.5 mg/dl
- Glucose
- 60-109 mg/100ml
- BUN
-
Blood Urea Nitrogen is an indirect and rough measurement of renal function and glomerular filtration rate (c normal liver function).
Adult: 5-25mg/100ml
10-22 gm/24 hr - Creatinine
- 0.5-1.4mg/dl
- RBC
-
Red Blood Cells
Adult/Elderly
Male: 4.5-6.0 million/cubic millimeter
Female: 4.0-5.2 million/cubic millimeter - Hemoglobin
-
Hemoglobin
Male: 14-17.5 g/100ml
Female: 12-16 g/100ml
Critical value: < 6 g/dL
100ml = 1 deciliter - Hematocrit
-
HCT is the percentage of the total blood volume that RBCs compose.
Male: 38%-52%
Female: 35%-47%
Elderly: may be decreased
Critical Value: 18% - WBC
-
White Blood Cell Count
Adults: 4,500-11,000/cubic millimeter - Neutrophils
-
36%-68%
1600-7500/cubic millimeter - Platlets
- 140,000-400,000/cubic millimeter
- ESR
-
Erythrocyte sedimentation rate
Male: 1-13mm/hr
Female: 1-20mm/hr - ACT
-
Activated Clotting time
70-120 seconds; the desirable range for anticoagulation is usually between 150-190 seconds.
see: http://enw.org/Research-ACT.htm -
PT
INR -
Prothrombin Time:
9.5-12.5 sec; 85%-100%
Full anticoagulant therapy:
>1.5-2.0 times control value; 20%-30%.
International Normalized Ratio
0.9-1.1 -
PTT (Activated)
PTT -
Used to monitor heparin therapy.
Activated Partial Thromboplastin Time
21-35 seconds
Partial Thromboplastin Time
30-45 seconds
Anticoagulation therapy:
1.5-2.5 times control value in seconds - Cholesterol
-
Cholesterol (total)
<200 mg/dL desirable
Cholesterol (HDL)
30 - 75 mg/dL
Cholesterol (LDL)
<130 mg/dL desirable -
Blood Gas Values
pH
PaCO2
HCO3
O2 sat
PaO2
BE -
pH 7.37 - 7.43
PaCO2 37 - 43 mm Hg
HCO3 22 - 30 mEq/L
O2 sat 96 - 100%
PaO2 80 - 105 mm Hg
BE -2 to +2 mmol/L -
Cardiac Markers
Troponin I
Troponin T
Myoglobin (male)
Myoglobin (female) -
Troponin I 0 - 0.1 ng/ml (onset: 4-6 hrs, peak: 12-24 hrs, return to normal: 4-7 days)
Troponin T 0 - 0.2 ng/ml (onset: 3-4 hrs, peak: 10-24 hrs, return to normal: 10-14 days)
Myoglobin (Male) 10 - 95 ng/ml (onset: 1-3 hrs, peak: 6-10 hrs, return to normal: 12-24 hrs)
Myoglobin (Female) 10 - 65 ng/ml (onset: 1-3 hrs, peak: 6-10 hrs, return to normal: 12-24 hrs) - Phenytoin
- 10-20microgm/ml
- Albumin
- 3.5-5.0 g/dl
- Carbon Dioxide
- 22-31mEq/L