Review Question - QID 106805

A 53-year-old female presents to the emergency department with altered mental status. He is wheelchair-bound due to severe peripheral neuropathy and has been hospitalized numerous times in the past for diabetic ketoacidosis. The patient was recently diagnosed with a left popliteal deep venous thrombosis and is currently on anticoagulation therapy. On physical exam, the patient is noted to have the following findings (Figure A). A transthoracic echocardiogram reveals a left ventricular ejection fraction of 65% without any diastolic dysfunction or valvular abnormalities. Which of the following laboratory abnormalities would most likely be found in this patient?