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Lab Reference Range


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Prostatic Acid Phosphatase/ Serum Acid Phosphatase
0-0.8 U/L
6.0-76.0 pg/mL
Serum Alanine Aminotransferase (ALT), males
10-55 U/L
Serum Alanine Aminotransferase (ALT), females
7-30 U/L
Serum Albumin
3.1-4.3 g/dL
CSF Albumin
11-48 mg/dL
Serum or Plasma Aldosterone when Standing
2-5 times normal supine
Serum or Plasma Aldosterone when Supine
2-9 ng/dL
Serum Alkaline Phosphatase
45-150 U/L
Serum Alpha-1 Antitrypsin
100-200 mg/dL
Alpha-Fetoprotein (nonmaternal)
<15 ng/mL
Plasma Ammonia
7-27 micromol/L
Serum Amylase
30-110 U/L
Urine Amylase
0.6-12 U/hour
Antimitochondrial Antibody (AMA)
< 1:160 titer
Antinuclear Antibody (ANA)
< 1:20 titer
Antismooth Muscle Antibody
< 1:80 titer
Serum Aspartate Aminotransferase (AST)
14-59 U/L
Serum B12
210-911 pg/mL
Serum Bicarbonate (HCO3)
20-29 mmol/L
Direct Serum Bilirubin
0-0.03 mg/dL
Total Serum Bilirubin
0.2-1.9 mg/dL
Bleeding Time
2-9 minutes
Serum BUN (blood,urea,nitrogen)
7-20 mg/dL
Total WBC Count
3,600-11,200 per cu mm
Whole Blood RBC Count
4.22-5.79 X 10^6 per cu mm
Hemoglobin, Female
12-17 g/dL
Hemoglobin, Male
13-18 g/dL
Hematocrit, Female
37-51 %
Hematocrit, Male
Mean Corpuscular Hemoglobin (MCH)
25-35 pg/cell *This is the hemoglobin amount per RBC *
Mean Corpuscular Hemoglobin Concentration (MCHC)
32-36 g/dL *This is the hemoglobin concentration per RBC*
Mean Corpuscular Volume
84-100 um^3 *Avg RBC volume*
Platelet Count
140,000-440,000 cu mm
45-79 %
Serum Calcium
8.4-10.2 mg.dL
Ionized Serum Calcium
1.11-1.30 mmol/L
Total Serum CO2 Content
20-29 mmol/L
Arterial CO2 (PaCO2)
35-45 mm Hg
Carcinoembryonic Antigen (CEA)
0.0-3.0 ng/mL
Serum Ceruloplasmin
25-63 mg/dL
Serum or Plasma Chloride
101-111 mmol/L
Serum Cholesterol
100-240 mg/dL
Serum Complement C3
88-201 mg/dL
Serum Complement C4
1-47 mg/dL
Serum Copper
26-190 ug/dL
Plasma Cortisol at 8am
6-23 ug/dL
Plasma Cortisol at 8pm
0-9 ug/dL
Free Urine Cortisol
20-70 ug/day
Serum C-peptide
0.9-3.9 ng/mL
Serum C-Reactive Protein
<0.8 mg/dL
Serum Creatine Kinase, Female
20-180 U/L
Serum Creatine Kinase, Male
20-200 U/L
MB Fraction Creatine Kinase (CK-MB)
0-5 ug/L
Serum Creatinine
0.7-1.4 mg/dL
Plasma d-Dimer Screen
<0.5 ug/mL
Serum Sodium
136-144 mmol/L
Serum Potassium
3.7-5.2 mmol/L
Serum Chloride
101-111 mmol/L
Whole Blood Erythrocyte Count, Male
4.5-5.3 X 10^6 cu mm
Whole Blood Erythrocyte Count, Female
4.1-5.1 X 10^6 cu mm
Erythrocyte Sedimentation Rate (ESR), Female
0-20 mm/hr
Erythrocyte Sedimentation Rate (ESR), Male
0-10 mm/hr
Fecal Fat (as stearic acid)
0-6 g/day
Serum Ferritin, Male
7-340 ng/mL
Serum Ferritin, Female
7-75 ng/mL
Plasm Fibrin Degradation Products
<2.5 ug/mL
Plasma Fibrinogen
150-350 mg/dL
Serum Folate (Folic Acid)
2.8-17.8 ng/mL
Serum Gamma Glutamyl Transferase, Male
10-70 U/L
Serum Globulin
2.6-4.1 g/dL
Plasma Glucagon
40-130 pg/mL
Fasting Plasma Glucose
64-125 mg/dL
Plasma Growth Hormone
0-5 ng/mL
Serum Haptoglobin
16-200 mg/dL
Serum Cholesterol HDL Lipoprotein
>35 mg/dL
Serum IgA
68-378 mg/dL
Serum IgG
768-1632 mg/dL
Serum IgM
60-263 mg/dL
Serum IgE
10-180 IU/L
Total Serum or Plasma Insulin
5-35 uU/mL
Serum Iron
30-160 ug/dL
Serum Iron Binding Capacity
240-450 ug/dL
Serum or Urine Ketones
Plasma Lactic Acid
0.5-2.2 mmol/L
Serum Lactic Dehydrogenase (LDH)
300-600 U/L
Total Leukocyte Count (WBC Count)
4,500 - 11,000 cu mm
Serum Lipase
30-210 U/L
Serum LDL Lipoprotein Cholesterol
< 110 mg/dL
Serum Magnesium
1.6-2.3 mg/dL
Serum 5'-Nucleotidase
0-15 U/L
Serum Osmolality
280-303 mOsm/kg
Room Air Arterial Oxygen
80-100 mm Hg
Arterial Oxygen Saturation
Serum Parathyroid Hormone
10-60 pg/mL
Plasma Activated Partial Thromboplastin Time (PTT or APTT)
25-40 seconds
Arterial pH
Serum Inorganic Phosphorus
2.6-4.5 mg/dL
Serum Prolactin
2-26 ng/mL
Prostate Specific Antigen (PSA)
0-4.0 ng/mL
Serum Total Protein
6.3-8.2 g/dL
Plasma Prothrombin Time
10.7-15.0 seconds
Reticulocyte Count
0.5-2.7% of RBCs
Total Serum Testosterone (morning)
200-890 ng/dL
Serum Thyroid Stimulating Hormone
0.4-5.0 uU/mL
Free Index Thyroxine
Free Serum Thyroxine
0.8-1.8 ng/dL (T4)
Total Serum Thyroxine
4.5-10.9 ug/dL
Serum Thyroxine-binding globulin
age and sex dependent
Total Serum Triiodothyronine
70-180 ng/dL (T3)
Serum Troponin I
<0.4 ng/mL
>2.0 suggests acute MI
Serum Urea Nitrogen (BUN)
7-20 mg/dL
Serum Uric Acid, Female
2.5-6.1 mg/dL
Serum Uric Acid, Male
3.7-8.0 mg/dL
Vanillylmandelic Acid
0-7 mg/day
Serum Viscosity
1.1-1.8 cP

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