I would disagree with that... check this definition.
sometimes referred to as health phobia) refers to an excessive preoccupation or worry about having a serious illness.
I searched Google under the key words "anxiety disorder" to get these possible sources:
Which alternative is not listed?
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
I hope this helps a little more. Thanks for asking.