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| BLOOD, PLASMA, & SERUM | REFERENCE RANGE | Conversion Factor | SI REFERENCE INTERVALS |
|---|---|---|---|
| Alanine aminotransferase (ALT) | 8-20 U/L | 1.0 | 8-20 U/L |
| Alkaline phosphatase, serum | 32-110 U/L | 1.0 | 32-110 U/L |
| Amylase, serum | 25-125 U/L | 1.0 | 25-125 U/L25-125 U/L |
| Aspartate aminotransferase (AST, SGOT) | 8-20 U/L | 1.0 | 8-20 U/L |
| Bilirubin, serum (adult) Total // Direct | 0.1-1.0 mg/dL//0.0-0.3 mg/dL | 17.1 | 2-17 μmol/L // 0-5 μmol/L |
| Calcium, serum (total Ca2+) | 8.4-10.2 mg/dL | 0.25 | 2.1-2.8 mmol/L |
| Cholesterol | |||
| Total | <240 mg/dL | 0.25 | <6.2 mmol/L |
| HDL | 30-70 mg/dL | 0.25 | 0.8-1.8 mmol/L |
| LDL | <160 mg/dL | 0.25 | <4.2 mmol/L |
| Cortisol, serum | 0800 h: 5-23 μg/dL | 27.59 | 138-635 nmol/L |
| 1600 h: 3-15 μ nmol/Lg/dL | 27.59 | 82-413 nmol/L | |
| 2000 h: 50% of 0800 h value | 27.59 | 50% of 0800 h value | |
| Creatine kinase, serum | Male: 25-90 U/L | 1.0 | Male: 25-90 U/L |
| Female: 10-70 U/L | 1.0 | Female: 10-70 U/L | |
| Creatinine, serum | 0.6-1.2 mg/dL | 88.4 | 53-106 μmol/L |
| Electrolytes, serum | |||
| Sodium (Na+) | 135-145 mEq/L | 1.0 | 135-145 mmol/L |
| Potassium (K+) | 3.5-5.0 mEq/L | 1.0 | 3.5-5.0 mmol/L |
| Chloride (Cl-) | 95-105 mEq/L | 1.0 | 95-105 mmol/L |
| Bicarbonate (HCO3-) | 22-28 mEq/L | 1.0 | 22-28 mmol/L |
| Magnesium (Mg2+) | 1.5-2.0 mEq/L | 1.0 | 1.5-2.0 mmol/L |
| Estriol, total, serum (in pregnancy) | |||
| 24-28 wks | 30-170 ng/mL | 3.467 | 104-590 nmol/L |
| 28-32 wks | 40-220 ng/mL | 3.467 | 140-760 nmol/L |
| 32-36 wks | 60-280 ng/mL | 3.467 | 208-970 nmol/L |
| 36-40 wks | 80-350 ng/mL | 3.467 | 280-1210 nmol/L |
| Ferritin, serum | Male: 15-200 ng/mL | 1.0 | 15-200 μg/L |
| Female: 12-150 ng/mL | 1.0 | 12-150 μg/L | |
| Follicle-stimulating hormone (serum, plasma) | Male: 4-25 mIU/mL | 1.0 | 4-25 U/L |
| Female: | |||
| premenopause 4-30 mIU/mL | 1.0 | 4-30 U/L | |
| midcycle peak 10-90 mIU/mL | 1.0 | 10-90 U/L | |
| postmenopause 40-250 mIU/mL | 1.0 | 40-250 U/L | |
| Gases, arterial blood (room air) | |||
| PO2 | 75-105 mm Hg | 0.1333 | 10-14 kPa |
| PCO2 | 35-45 mm Hg | 0.1333 | 4.4-5.9 kPa |
| pH | 7.35-7.45 | [H+] 36-44 nmol/L | |
| Glucose, serum | Fasting: 70-110 mg/dL | 0.0555 | 3.8-6.1 mmol/L |
| 2-h postprandial: <120 mg/dL | 0.0555 | <6.6 mmol/L | |
| Growth hormone-arginine stimulation | Fasting: <5 ng/mL | 1.0 | <5 μg/L |
| Provocative stimuli: >7 ng/mL | 1.0 | >7 μg/L | |
| Immunoglobulins, serum | |||
| IgA | 76-390 mg/dL | 0.01 | 0.76-3.90 g/L |
| IgE | 0-380 IU/mL | 1.0 | 0-380 kIU/L |
| IgG | 650-1500 mg/dL | 0.01 | 6.5-15 g/L |
| IgM | 40-345 mg/dL | 0.01 | 0.4-3.45 g/L |
| Iron | 50-170 μg/dL | 0.179 | 9-30 μmol/L |
| Lactate dehydrogenase, serum | 45-90 U/L | 1.0 | 45-90 U/L |
| Luteinizing hormone (serum, plasma) | Male: 6-23 mIU/mL | 1.0 | 6-23 U/L |
| Female: | |||
| follicular phase 5-30 mIU/mL | 1.0 | 5-30 U/L | |
| midcycle 75-150 mIU/mL | 1.0 | 75-150 U/L | |
| postmenopause 30-200 mIU/mL | 1.0 | 30-200 U/L | |
| Osmolality, serum | 275-295 mOsmol/kg | 1.0 | 275-295 mmol/kg |
| Parathyroid hormone, serum, N-terminal | 230-630 pg/mL | 1.0 | 230-630 ng/L |
| Phosphorus (inorganic), serum | 3.0-4.5 mg/dL | 0.323 | 1.0-1.5 mmol/L |
| Prolactin, serum (hPRL) | <20 ng/L | 1.0 | <20 μg/L |
| Proteins, serum | |||
| Total (recumbent) | 6.0-7.8 g/dL | 10.0 | 60-78 g/L |
| Albumin | 3.5-5.5 g/dL | 10.0 | 35-55 g/L |
| Globulin | 2.3-3.5 g/dL | 1.0 | 2.3-3.5 g/dL |
| Thyroid-stimulating hormone (TSH) | 0.5-5.0 μU/mL | 1.0 | 0.5-5.0 mU/L |
| Thyroidal iodine (I123) uptake | 8-30% of administered dose/24 h | 1.0 | 0.08-0.30/24 h |
| Thyroxine (T4), serum | 5-12 μg/dL | 12.87 | 64-155 nmol/L |
| Triglycerides, serum | 35-160 mg/dL | 0.0113 | 0.4-1.8 mmol/L |
| Triiodothyronine (T3), serum (RIA) | 115-190 ng/dL | 0.0154 | 1.8-2.9 nmol/L |
| Triiodothyronine (T3) resin uptake | 25-35% | 1.0 | 0.25-0.35 |
| Urea nitrogen, serum (BUN) | 7-18 mg/dL | 0.357 | 1.2-3.0 mmol/L |
| Uric acid, serum | 3.0-8.2 mg/dL | 59.48 | 0.18-0.48 mmol/L |
| BMI (BODY MASS INDEX) | |||
| Recommended 19-25 kg/m2 | |||
| CEREBROSPINAL FLUID | |||
| Cell count | 0-5 cells/mm3 | 0-5x106/L | |
| Chloride | 118-132 mEq/L | 1.0 | 118-132 mmol/L |
| Gamma globulin | 3-12% total proteins | 1.0 | 0.03-0.12 |
| Glucose | 40-70 mg/dL | 0.0555 | 2.2-3.9 mmol/L |
| Pressure | 70-180 mm H2O | 1.0 | 70-180 mm H2O |
| Proteins, total | <40 mg/dL | 10.0 | <0.40 g/L |
| HEMATOLOGY | |||
| Bleeding time | 2-7 minutes | 1.0 | 2-7 minutes |
| CD4 cell count | >500/mm3 | ||
| Erythrocyte count | Male: 4.3-5.9 million/mm3 | 1.0 | 4.3-5.9 x 1012/L |
| Female: 3.5-5.5 million/mm3 | 1.0 | 3.5-5.5 x 1012/L | |
| Erythrocyte sedimentation rate (Westergren) | Male: 0-15 mm/h | 1.0 | 0-15 mm/h |
| Female: 0.20 mm/h | 0.01 | 0-20 mm/h | |
| Hematocrit | Male: 41-53% | 1.0 | 0.41-0.53 |
| Female: 36-46% | 1.0 | 0.36-0.46 | |
| Hemoglobin A1c | <=6% | 1.0 | <=0.06 |
| Hemoglobin, blood [tetramer] | Male: 13.5-17.5 g/dL | 0.155 | 2.09-2.71 mmol/L |
| Female: 12.0-16.0 g/dL | 0.155 | 1.86-2.48 mmol/L | |
| Hemoglobin, plasma | 1-4 mg/dL | 0.155 | 0.16-0.62 μmol/L |
| Leukocyte count and differential | |||
| Leukocyte count | 4500-11,000/mm3 | 4.5-11.0 x 109/L | |
| Segmented neutrophils | 54-62% | 1.0 | 0.54-0.62 |
| Bands | 3-5% | 1.0 | 0.03-0.05 |
| Eosinophils | 1-3% | 1.0 | 0.01-0.03 |
| Basophils | 0-0.75% | 1.0 | 0-0.0075 |
| Lymphocytes | 25-33% | 1.0 | 0..25-0.33 |
| Monocytes | 3-7% | 1.0 | 0.03-0.07 |
| Mean corpuscular hemoglobin (MCH) | 25-35 pg/cell | 0.06206 | 0.39-0.54 fmol/cell |
| Mean corpuscular hemoglobin concentration (MCHC) | 77.5-88.9 g/l | 0.06206 | 4.81-5.58 mmol/L |
| Mean corpuscular volume (MCV) | 80-100 μm3 | 1.0 | 80-100 fL |
| Partial thromboplastin time (activated) | 25-40 seconds | 1.0 | 25-40 seconds |
| Platelet count | 150,000-400,000/mm3 | 1.0 | 150-400x109/L |
| Prothrombin time | 11-15 seconds | 1.0 | 11-15 seconds |
| Reticulocyte count | 0.5-1.5% | 1.0 | 0.005-0.015 |
| Thrombin time | <2 seconds deviation from control | 1.0 | <2 seconds deviation from control |
| Volume | |||
| Plasma | Male: 25-43 mL/kg | 0.001 | 0.025-0.043 L/kg |
| Female: 28-45 mL/kg | 0.001 | 0.028-0.045 L/kg | |
| Red cell | Male: 20-36 mL/kg | 0.001 | 0.020-0.036 L/kg |
| Female: 19-31 mL/kg | 0.001 | 0.019-0.031 L/kg | |
| SWEAT | |||
| Chloride | 0-35 mmol/L | 1.0 | 0-35 mmol/L |
| URINE | |||
| Calcium | 100-300 mg/24 h | 2.5-7.5 mmol/24 h | |
| Chloride | Varies with intake | 1.0 | Varies with intake |
| Creatinine clearance | Male: 97-137 mL/min | ||
| Female: 88-128 mL/min | |||
| Estriol, total (in pregnancy) | |||
| 30 wks | 6-18 mg/24 h | 21-62 μmol/24 h | |
| 35 wks | 9-28 mg/24 h | 31-97 μmol/24 h | |
| 40 wks | 13-42 mg/24 h | 45-146 μmol/24 h | |
| 17-Hydroxycorticosterioids | Male: 3-10 mg/24 h | 8.2-27.6 μmol/24 h | |
| Female: 2-8 mg/24 h | 5.5-22.0 μmol/24 h | ||
| 17-Ketosteroids, total | Male: 8-20 mg/24 h | 28-70 μmol/24 h | |
| Female: 6-15 mg/24 h | 21-52 μmol/24 h | ||
| Osmolality | 50-1400 mOsmol/kg | ||
| Oxalate | 8-40 μg/mL | 90-445 μmol/L | |
| Potassium | Varies with Diet | Varies with Diet | |
| Proteins, total | <150 mg/24 h | <0.15 g/24 h | |
| Sodium | Varies with Diet | Varies with Diet | |
| Uric acid | Varies with Diet | Varies with Diet |