Laboratory investigations revealed leukopenia (WBC 3.72 × 103/μL), elevated CRP (145), mild hyponatremia (130 mmol/L), thrombocytopenia (platelets 85 × 103/μL), elevated INR (1.59), Liver enzymes showed mild elevation in ALP (542 U/L) GGT (115 U/L), and pre-renal acute kidney injury (creatinine 1.3 mg/dL, BUN 26 mg/dL). The gene discussed is CRP; the disease is Decreased total leukocyte count.