CRP and infection: On workup, he was found to have elevated blood glucose levels at 141 mg/dL, a total count of 13,000 /μL with 70.8% polymorphs, ESR of 45 mm/first hour, C-reactive protein (CRP) 94.3 mg/L, and procalcitonin of 0.16 ng/mL, suggestive of infection.