Intended for healthcare professionals

Letters Preventing overdiagnosis

The rise and rise of vitamin D testing

BMJ 2012; 345 doi: (Published 16 July 2012) Cite this as: BMJ 2012;345:e4743
  1. Kellie Bilinski, dietitian1,
  2. Steven Boyages, clinical professor, senior endocrinologist2
  1. 1University of Sydney and Westmead Breast Cancer Institute, Westmead Hospital, Westmead 2145, NSW, Australia
  2. 2University of Sydney, Department of Endocrinology, Westmead Hospital
  1. kellie.bilinski{at}

Moynihan and colleagues’ report highlights the increasing trend for overdiagnosis, particularly of endocrine disorders.1

Similar concerns exist for overdiagnosis and overtreatment of vitamin D deficiency.2 3 Currently, the appropriate timing and frequency of testing for the diagnosis of vitamin D deficiency is unclear. The cost of testing in …

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