A Patient Was Admitted with Gram-Negative Sepsis a Few Days

A patient was admitted with gram-negative sepsis a few days ago.Today the nurse notes continual oozing from intravenous sites and ecchymosis beneath the blood pressure cuff.The patient's platelet count is normal,and international normalized ratio (INR) is elevated.What other laboratory value would be valuable in definitively diagnosing the patient's condition?

A) Fibrin split products
B) D-Dimer level
C) Bleeding time
D) White blood cell count