Organic causes can be ruled out in most patients who complain of being “tired all the time” with just four blood tests, as well as a good history and physical examination, new GP research suggests.
GPs who conducted a study of 325 patients presenting with unexplained chronic fatigue say that the range of blood tests should be limited to haemoglobin, ESR, glucose and TSH, and these should probably be postponed of four weeks.
http://www.6minutes.com.au/articles/z1/view.asp?id=476454