Nonstandard abbreviations: ISO, International Organization for Standardization; IVD, in vitro diagnostics; JCTLM, Joint Committee for Traceability in Laboratory Medicine; BIPM, Bureau International des Poids et Mesures; IRR, International Reference Reagent; ID, isotope dilution; CRM, certified reference material; LC-MS, liquid chromatography-tandem mass spectrometry; isotope-dilution mass spectrometry (ID-MS); NMI, National Metrology Institute; CCQM
, Consultative Committee for Amount of Substance: Metrology in Chemistry and Biology; NIM China, National Institute of Metrology in China; NMIJ, National Metrology Institute of Japan; NIBSC, National Institute of Biological Standards and Control.
Finally, the IFCC petition and the related CCU and CCQM Recommendations were put before the 21st CGPM meeting in October 1999, which adopted the combined recommendations summarized above.
(26.) CIPM, CCQM. Working documents of the 5th meeting (1999-02).
(27.) International Bureau of Weights and Measures, CCQM. Report of the 5th meeting (1999-02).