He was started on intravenous piperacillin/tazobactam, however continued to have worsening leukocytosis with new-onset diarrhea, and was found to have CDI with a CRP of 104 mg/L and an Age, Treatment with systemic antibiotics, Leukocyte count, Albumin, Serum creatinine (ATLAS) score of 8. Here, CRP is linked to clostridium difficile infection.