Table 2. Blood tests and their findings.
ALP, alkaline phosphatase; ALT, alanine aminotransferase; ANA, antinuclear autoantibodies; ANCA, antineutrophil cytoplasmic antibodies; AST, aspartate aminotransferase; β2, beta-2; C-ANCA, cytoplasmic anti-neutrophil cytoplasmic antibody; CCP, cyclic citrullinated peptide; CRP, C-reactive protein; DNA, deoxyribonucleic acid; DS-DNA AB, double stranded-deoxyribonucleic acid antibody; ELISA, enzyme-linked immunosorbent assay; ESR, erythrocyte sedimentation rate; GGT, gamma-glutamyl transferase; HIV; human immunodeficiency virus; HLA, human leukocyte antigens; Ig, immunoglobulin; LDH, lactate dehydrogenase; HLA B27, human leukocyte antigen B27; P-ANCA, perinuclear anti-neutrophil cytoplasmic antibody
| Investigation | Findings | Normal Range |
| Hematology | Hemoglobin: 11.1 g/dL | 13.5-17.5 g/dL |
| Platelets: 360 K/mm3 | 140-450 K/mm3 | |
| Blood smear: few reactive lymphocytes | ||
| Biochemistry | Sodium:140 mEq/L | 135-147 mEq/L |
| Potassium: 4.6 mEq/L | 3.5-5 mEq/L | |
| Ammonemia: 57 µg/dL | 0-93 µg/dL | |
| Renal function | Creatinine: 0.8 mg/dL | 0.62-1.42 mg/dL, |
| Glomerular filtration rate:118 mL/min/1.73 m2 | ||
| Liver function | AST: 13 IU/L | 0-45 IU/L |
| ALT: 14 IU/L | 10-45 IU/L | |
| GGT: 89 IU/L | 8-61 IU/L | |
| ALP: 133 IU/L | 40-115 IU/L | |
| LDH: 174 IU/L | 35-225 IU/L | |
| Bilirubin total: 1.15 mg/dL | 0-1.52 mg/dl | |
| Inflammatory markers | ESR: 4 mm/hour | 0-15 mm/hour |
| CRP: 6 mg/dL (moderately elevated) | 0-5 mg/dL | |
| Immunology and serological testing | HIV antibodies: negative | Negative |
| ANA ELISA: 7.01 IU/mL; ANA quantitative immune fluorescent assay titer: <1:40 | Negative | |
| Anti-double-stranded DNA: negative | Negative | |
| Anticardiolipin IgM and IgG: negative | Negative | |
| Anti-β2-glycoprotein I IgG and IgM: negative | Negative | |
| C-ANCA and P-ANCA: Negative | Negative | |
| HLA B27: negative | Negative | |
| Interferon-gamma release essay: negative | Negative | |
| Cryoglobulin: negative | Negative | |
| Anti-CCP: 7 IU/mL | 0-19 IU/mL | |
| Rheumatoid factor: 4.2 IU/mL | 0-14 IU/ml | |
| Thrombophilia | Factor V Leiden mutation: absent | Absent |
| Prothrombin gene mutation: absent | Absent | |
| Antithrombin III: normal | Normal | |
| DS-DNA AB 14: negative | Negative | |
| Anti β2-glycoprotein antibodies: negative | Negative | |
| Lupus anticoagulant: normal | Normal |