Examination standard recognized by signatories to an international agreement and intended to serve worldwide.
Example: The WHO 1st international genetic reference panel for Factor V Leiden, Human gDNA: 03/254, 03/260, 03/248.
Source:
PAC, 2018, 90, 913. 'Vocabulary on nominal property, examination, and related concepts for clinical laboratory sciences (IFCC-IUPAC Recommendations 2017)' on page 930 (https://doi.org/10.1515/pac-2011-0613)