ISO 15193:2009 specifies requirements for the content of a reference measurement procedure for in vitro diagnostic medical devices and medical laboratories.

ISO 15193:2009 applies to reference measurement procedures providing values of differential or rational quantities. Annex A provides information on nominal properties and ordinal quantities.

ISO 15193:2009 is valid for any person, body or institution involved in one of the various branches of laboratory medicine whose intention is to write a document to serve as a reference measurement procedure.