A 45-year-old female patient was admitted to the hospital 4 days ago with severe hyponatremia and dehydration. The patient has since been discharged and has returned home. Identify and code the ICD-10-CM code(s) in this case. Apply and describe the appropriate ICD-10-CM guidelines needed to accurately code this case. Explain how you arrived at your answer. Your response must be at least 75 words in length.