Journal of Mass Spectrometry and Advances in The Clinical Lab (JMSACL, formerly known as Clinical Mass Spectrometry) is an open access, paid journal that publishes peer-reviewed articles discussing mass spectrometry and other advances in laboratory medicine and pathology, with a focus on developing diagnostics and related applications, including data science, to improve patient outcomes and reduce healthcare costs. As a professional journal that focuses on mass spectrometry and its application in clinical laboratories, it provides an important channel for researchers and clinical doctors to understand and learn about the latest research achievements and technological advances in mass spectrometry.