This lab finding can become severe in patients with a PMH of anterior neck surgery, prompting a minimum of 24 hour observation post-operatively: 

Which of the following labs should be ordered when managing a patient with osteopenia, but is not required for osteoporosis? 

Possible calcifications at the basal ganglia

Hypernatremia, hyperkalemia & leukocytosis

High ACTH, hypernatremia & thrombocytopenia

Hypoglycemia, hyponatremia & eosinophilia