Normal Range of Diagnostic Tests
| Albumin | 3.2 - 5 g/dl | |
| Alkaline phosphatase (Adults: 25-60) |
33 - 131 IU/L | |
| Adults > 61 yr: | 51 - 153 IU/L | |
| Ammonia | 20 - 70 mcg/dl | |
| Bilirubin, direct | 0 - 0.3 mg/dl | |
| Bilirubin, total | 0.1 - 1.2 mg/dl | |
| Blood Gases | ||
| Arterial | Venous | |
| pH | 7.35 - 7.45 | 7.32 - 7.42 |
| pCO2 | 35 - 45 | 38 - 52 |
| pO2 | 70 - 100 | 28 - 48 |
| HCO3 | 19 - 25 | 19 - 25 |
| O2 Sat % | 90 - 95 | 40 - 70 |
| BUN | 7 - 20 mg/dl | |
| Complete blood count (CBC) Adults | ||
| Male | Female | |
| Hemoglobin (g/dl) | 13.5 - 16.5 | 12.0 - 15.0 |
| Hematocrit (%) | 41 - 50 | 36 - 44 |
| RBC's ( x 106 /ml) | 4.5 - 5.5 | 4.0 - 4.9 |
| RDW (RBC distribution width) | 14.5 | |
| MCV | 80 - 100 | |
| MCH | 26 - 34 | |
| MCHC % | 31 - 37 | |
| Platelet count | 100,000 to 450,000 | |
| Creatinine kinase (CK) isoenzymes | ||
| CK-BB | 0% | |
| CK-MB (cardiac) | 0 - 3.9% | |
| CK-MM | 96 - 100% | |
| Creatine phosphokinase (CPK) | 8 - 150 IU/L | |
| Creatinine (mg/dl) | 0.5 - 1.4 | |
| Electrolytes | ||
| Calcium | 8.8 - 10.3 mg/dL | |
| Calcium, ionized | 2.24 - 2.46 meq/L | |
| Chloride | 95 - 107 mEq/L | |
| Magnesium | 1.6 - 2.4 mEq/L | |
| Phosphate | 2.5 - 4.5 mg/dL | |
| Potassium | 3.5 - 5.2 mEq/L | |
| Sodium | 135 - 147 mEq/L | |
| Ferritin (ng/ml) | 13 - 300 | |
| Folate (ng/dl) | 3.6 - 20 | |
| Glucose, fasting (mg/dl) | 60 - 110 | |
| Glucose (2 hours postprandial) (mg/dl) | Up to 140 | |
| Hemoglobin A1c | 6 - 8 | |
| Iron (mcg/dl) | 65 - 150 | |
| Lactic acid (meq/L) | 0.7 - 2.1 | |
| LDH (lactic dehydrogenase) | 56 - 194 IU/L | |
| Lipoproteins and triglycerides | ||
| Cholesterol, total | < 200 mg/dl | |
| HDL cholesterol | 30 - 70 mg/dl | |
| LDL cholesterol | 65 - 180 mg/dl | |
| Triglycerides | 45 - 155 mg/dl (< 160) | |
| Osmolality | 289 - 308 mOsm/kg | |
| SGOT (AST) | < 35 IU/L (20-48) | |
| SGPT (ALT) | <35 IU/L | |
| Thyroid Function tests | ||
| Free T3 | 2.3-4.2 pg/ml | |
| Serum T3 | 70-200 ng/dl | |
| Free T4 | 0.5-2.1 ng/dl | |
| Serum T4 | 4.0-12.0 mcg/dl | |
| TSH | 0.25-4.30 microunits/ml | |
| Total iron binding capacity (TIBC) | 250 - 420 mcg/dl | |
| Transferrin | > 200 mg/dl | |
| Uric acid (male) | 2.0 - 8.0 mg/dl | |
| (female) | 2.0 - 7.5 mg/dl | |
| WBC + differential | ||
| WBC (cells/ml) | 4,500 - 10,000 | |
| Segmented neutrophils | 54 - 62% | |
| Band forms | 3 - 5% (above 8% indicates left shift) | |
| Basophils | 0 - 1 (0 - 0.75%) | |
| Eosinophils | 0 - 3 (1 - 3%) | |
| lymphocytes | 24 - 44 (25 - 33%) | |
| Monocytes | 3 - 6 (3 - 7%) | |
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