ISO 20333:2017规定了帮助供应链管理的中药编码规则。编码提供了贸易项目、生产区域、单位、等级、生产日期、批号、药品数量和物流单位等信息。这包括中药和饮片，但不包括处方药（GFIMP）和中成药（CPM）的颗粒形式。

ISO 20333:2017 specifies coding rules for Chinese medicines to assist in supply chain management. The coding provides information such as the trade item, producing area, unit, grade, production date, batch number, quantity of medicines, and logistic unit. This includes Chinese Materia Medica and decoction pieces, but excludes granule forms of individual medicinals for prescriptions (GFIMP) and Chinese patent medicines (CPM).