Falsely elevated cortisol serum levels in preterm infants due to use of immunoassay

Clin Chem Lab Med. 2023 Apr 24;61(10):e206-e209. doi: 10.1515/cclm-2023-0123. Print 2023 Sep 26.

Michelle Romijn^{1

2

3}, Kirsten N G van de Weijer¹, Wes Onland^{2

3}, Joost Rotteveel^{1

3}, Anton H van Kaam^{2

3}, Annemieke C Heijboer⁴, Martijn J J Finken^{1

3}

¹ Department of Pediatric Endocrinology, Amsterdam UMC Location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.
² Department of Neonatology, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands.
³ Amsterdam Reproduction and Development Research Institute, Amsterdam, The Netherlands.
⁴ Department of Clinical Chemistry, Endocrine Laboratory, Amsterdam UMC Location University of Amsterdam and Location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.

No abstract available

Keywords: cortisol levels; immunoassay; liquid chromatography-tandem mass spectrometry; preterm infants.

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