]ARTICLE 6 Analysis of SamplesWorld Anti-Doping Code 2021496.4 Standards for Sample Analysis and Reporting42Laboratories shall analyze Samples and report results in conformity with the International Standard for Laboratories.6.4.1 Laboratories at their own initiative and expense may analyze Samples for Prohibited Substances or Prohibited Methods not included on the standard Sample analysis menu, or as requested by the Anti-Doping Organization that initiated and directed Sample collection.