AAPC CPC Medical Coding ICD-10 Practice Exam

Anna is a 32-year-old woman who was trapped under debris from a tornado for approximately 10 hours a year ago. Now, she is having a difficult time with the symptoms of nightmares reliving the experience, fear of storms, and difficulty concentrating. She went to the psychiatrist who gave the diagnosis as chronic posttraumatic stress disorder. Assign the correct ICD-10 code for this case.