Time usually allotted: 30 minutes.<ref>{{cite web|url=https://www.bsuh.nhs.uk/wp-content/uploads/sites/5/2016/09/change-of-nephrostomy.pdf|title=Change of Nephrostomy|website=Brighton and Sussex University Hospitals}} Publication Date: February 2018.</ref>
{{Low risk of bleeding|PT=no}}
===Removal of previous catheter===