The answer is D. Obesity.
In the following organizations namedly as the CMS, NCHS and AHIMA, there is also another organization where it also deals with the in-depth code practices and principles. It is called the AHA or also known as the American Heart Association.
The first step is realizing that you have a problem.
This step seems simple, but it's sometimes hard to admit. You can't help somebody that doesn't want to be helped.