Q & A Column, 10/14

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1. Nieman LK, Biller BM, Findling JW, et al. The diagnosis of Cushing’s syndrome: an Endocrine Society Clinical Practice Guideline. J Clin Endocrinol Metab. 2008;93:1526–1540.
2. Wood P. Salivary steroid assays—research or routine? Ann Clin Biochem. 2009;46:183–196.
3. Inder WJ, Dimeski G, Russell A. Measurement of salivary cortisol in 2012—laboratory techniques and clinical indications. Clin Endocrinol (Oxf). 2012;77:645–651.
4. Raff H, Singh RJ. Measurement of late-night salivary cortisol and cortisone by LC-MS/MS to assess preanalytical sample contamination with topical hydrocortisone. Clin Chem. 2012;58:947–948.
5. Palmer-Toy DE, Wang E, Winter WE, et al. Comparison of pooled fresh frozen serum to proficiency testing material in College of American Pathologists Surveys: cortisol and immunoglobulin E. Arch Pathol Lab Med. 2005;129:305–309.

Hubert W. Vesper, PhD, Centers for Disease Control and Prevention, Division of Laboratory Sciences, Atlanta
Member, CAP Chemistry Resource Committee

Dr. Kiechle is medical director of clini­cal pathology, Memorial Healthcare, Hollywood, Fla. Use the reader service card to submit your inquiries, or address them to Sherrie Rice, CAP TODAY, 325 Wau­ke­gan Road, Northfield, IL 60093; srice@cap.org.