Endogenous isobaric interference on serum 17 hydroxyprogesterone by liquid chromatography-tandem mass spectrometry methods

Affiliations

• ¹ Biomedical Mass Spectrometry Unit, Department of Chemical Pathology, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, NT, Hong Kong.
• ² Department of Clinical Biochemistry, PathWest Laboratory Medicine, Fiona Stanley Hospital, Murdoch, Western Australia.
• ³ Department of Laboratory Medicine, National University Hospital, Singapore.
• ⁴ Department of Clinical Chemistry and Department of Internal Medicine, Erasmus University Medical Centre, Rotterdam, The Netherlands.
• ⁵ Victorian Clinical Genetics Services, Murdoch Children's Research Institute, Melbourne, VIC, Australia.
• ⁶ Steroid Research & Mass Spectrometry Unit of the Laboratory for Translational Hormone Analytics in Pediatric Endocrinology at the Justus Liebig University, Giessen, Germany.