INS and diabetes mellitus: This may result in patients not being forthcoming about their plans for managing their diabetes in case it attracts disapproval from their clinical team.56 They may also worry about the withdrawal of their prescriptions for their insulin pump, CGM and/or pump consumables.57 These fears are not unfounded; a survey of clinicians by Crabtree and colleagues found that 41 of the 317 clinicians (13%) would refuse to supply devices if the intention were for DIY APS.58