Problem: Assign ICD-10-CM codes for the final diagnoses ONLY and the E/M code for the service DISCHARGE DIAGNOSES: Reactive confusion combined with being "mentally stressed out". Hypertension. Dyslipidemia. Obstructive sleep apnea. Fatty liver. Elevated ammonia level of unclear etiology. B12 deficiency BRIEF ADMITTING HISTORY AND PHYSICAL: A 43-year-old Caucasian male with a past medical history of TIA, carotid stenosis, hypertension, dyslipidemia, hypogonadism, anemia