has specified output has characteristic has participant planned process fasting Pre-test fasting is required or recommended for several blood tests, including glucose and C-peptide tests. 8–12 hours is typical for fasting duration. A.M. Simundic et al., Standardization of collection requirements for fasting samples: For the Working Group on Preanalytical Phase (WG-PA) of the European Federation of Clinical Chemistry and Laboratory Medicine (EFLM), Clinica Chimica Acta, Volume 432, 2014, Pages 33-37, ISSN 0009-8981, https://doi.org/10.1016/j.cca.2013.11.008. Philippe Rocca-Serra A planned process in which an organism drinks only water and does not eat for a specified period of time. https://github.com/obi-ontology/obi/issues/494 fasting Sebastian Duesing fasted organism metadata complete