A 35-year-old male with schizophrenia presents for a routine…

A 35-year-old male with schizophrenia presents for a routine physical exam. The patient is a heavy smoker and has a BMI of 29. He takes olanzapine (Zyprexa) and has been on this medication for 10 years. The nurse practitioner recognizes that the following labs is the most appropriate to be ordered for this patient: