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Pure Appl. Chem., 2012, Vol. 84, No. 1, pp. 137-165

Published online 2011-12-16


Properties and units in the clinical laboratory sciences. Part XXIII. The NPU terminology, principles, and implementation: A user’s guide (IUPAC Technical Report)

Ulla Magdal Petersen1*, René Dybkær2 and Henrik Olesen3

1 Health Documentation, National Board of Health, Copenhagen, Denmark
2 Department of Standardization in Laboratory Medicine, Region H Frederiksberg Hospital, Frederiksberg, Denmark
3 Copenhagen, Denmark

Abstract: This document describes the application of the syntax, semantic rules, and format of the Nomenclature for Properties and Units (NPU) terminology for coded dedicated kinds-of-property in the various subject fields of the clinical laboratory sciences. The document sums up considerations and reasoning by the Committee and Subcommittee on Nomenclature for Properties and Units (C-SC-NPU) and collects the experience with the system through some eight years of application in electronic health communication. Access to the NPU terminology in English is currently at <>, via the English download files from the Danish Release Centre under the National Board of Health. Updates to the terminology are usually presented once a month.