ISO 12891-2:2014 specifies methods for the analysis of retrieved surgical implants. ISO 12891-2:2014 describes the analysis of retrieved metallic, polymeric and ceramic implants. The analysis is divided into three stages which are increasingly destructive. ISO 12891-2:2014 can also be applied to other materials, e.g. animal tissue implants. ISO 12891-2:2014 can be applied in accordance with national regulations or legal requirements regarding the handling and analysis of retrieved implants and tissues and associated biological material.