Face validity of the ICD-10 criteria of substance abuse and dependence for patients prescribed cannabis-based medicines for chronic pain-A survey of pain medicine physicians in Canada, Germany and Israel.

Sixty-nine per cent of 178 pain medicine physicians in Canada, Germany and Israel who participated in a survey on the appropriateness of the ICD-10 criteria for cannabis abuse and dependence for patients prescribed cannabis-derived products for chronic pain assessed the criteria as appropriate, whereas 20.6% deemed the criteria as not appropriate.