CRP and Increased total leukocyte count: Initial labs revealed leukocytosis with a WBC count of 23.5 ×109/L, neutrophil predominance (84.2%), thrombocytosis (platelets 458 ×109/L), hypo-osmolarity (260.5 mOsm/kg), and elevated inflammatory markers including CRP >15 mg/L and ESR 71 mm/hr.