Vitamin D overtesting a concern, say experts

A large number of patients are receiving unnecessary treatment without clear evidence of benefit due to overtesting of vitamin D deficiency, say two WA experts.

Dr Paul Glendenning, an endocrinologist at Royal Perth Hospital and Associate Professor Gerald Tse-Jiun Chew from the University of Western Australia note in the Medical Journal of Australia that there was a 94-fold increase in vitamin D testing from 2000-2010, with