This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
Addison's disease is characterized by following except- 
Select and explain. 
A. Hyperkalemia, B. Hypotension, C. Hyponatremia, D. Hvnncalcemia
D: Hvnncalcemia
Answer: D: Hvnncalcemia 
Explanation: there is hyper pigmentation, asthenia, hypotension,hyperkalemia, hyponatremia Ref -( Harrison 17 pg 2263)