Table 1: Nonspecific laboratory tests results and reference values.
| Laboratory test | Results | Reference Values |
| Red blood cells | 4.04 million/mm3 | 4.3 to 6 million/mm3 |
| Hemoglobin | 11 g/dl | 13.5 to 17.3 g/dl |
| Hematocrit | 34% | 41 to 54% |
| Leukocytes | 15.240/mm3 | 3.600 to 11.000/mm3 |
| Promyelocytes | 4% | 0 to 0% |
| Mielocytes | 6% | 0 to 0% |
| Metamielocytes | 4% | 0 to 0% |
| Eosinophils | 11% | 1 to 5% |
| Lymphocytes | 15% | 20 to 50% |
| Platelets | 627.000/mm3 | 150.000 to 400.000/mm3 |
| Reticulocyte count | 3.61% | 0.5 to 2% |
| Lactate Dehydrogenase | 466.5 U/L | 200 to 480 U/L |
| Alkaline Phosphatase | 167 U/L | 27 to 100 U/L |
| Gamma-glutamyltransferase | 265.9 U/L | < 55 U/L |
| TGO/AST; TGP/ALT | 55 U/L; 65.7 U/L | up to 40 U/L; up to 41 U/L |
| VHS | 83 mm | 1 to 18 mm |
| PCR | 318.66 mg/L | < 8 mg/L nonreactive and ≥ 8 mg/L reactive |
| Prothrombin Time and Activity (PAT) | 16.4 seconds, activity: 53% | 12.5 seconds = 100% |
| INR | 1.40 | 1.0 |
The table above demonstrates nonspecific laboratory tests results of the patient in investigation of fever of undetermined origin and its reference values.