ICD-10-PCS 0TW Medical and Surgical: Urinary System Revision

The ICD-10-PCS root operation Revision (Code 0TW) involves correcting, to the extent possible, a malfunctioning or displaced device within the Urinary System. This operation aims to restore the device's function without removing or replacing it completely.

The provided urinary system revision codes cover a wide range of device types, including drainage devices, monitoring devices, infusion devices, and tissue substitutes, among others. These procedures are performed on organs such as the Kidney, Ureter, Bladder, and Urethra, using various approaches: Open, Percutaneous, Percutaneous Endoscopic, Via Natural or Artificial Opening, and External. For example, 0TW500Z denotes an open revision of a drainage device in the kidney, whereas 0TW943Z indicates percutaneous endoscopic revision of an infusion device in the ureter. These specific, detailed codes enable precise documentation of device revisions in the urinary tract, supporting accurate clinical reporting and billing.

List of ICD-10-PCS codes used to specify 0TW - Revision (correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device). There are a total of 237 procedure codes in this section.

  • 0TW - Urinary System, Revision

  • 0TW500Z - Revision of Drainage Device in Kidney, Open Approach

  • 0TW502Z - Revision of Monitoring Device in Kidney, Open Approach

  • 0TW503Z - Revision of Infusion Device in Kidney, Open Approach

  • 0TW507Z - Revision of Autologous Tissue Substitute in Kidney, Open Approach

  • 0TW50CZ - Revision of Extraluminal Device in Kidney, Open Approach

  • 0TW50DZ - Revision of Intraluminal Device in Kidney, Open Approach

  • 0TW50JZ - Revision of Synthetic Substitute in Kidney, Open Approach

  • 0TW50KZ - Revision of Nonautologous Tissue Substitute in Kidney, Open Approach

  • 0TW50YZ - Revision of Other Device in Kidney, Open Approach

  • 0TW530Z - Revision of Drainage Device in Kidney, Percutaneous Approach

  • 0TW532Z - Revision of Monitoring Device in Kidney, Percutaneous Approach

  • 0TW533Z - Revision of Infusion Device in Kidney, Percutaneous Approach

  • 0TW537Z - Revision of Autologous Tissue Substitute in Kidney, Percutaneous Approach

  • 0TW53CZ - Revision of Extraluminal Device in Kidney, Percutaneous Approach

  • 0TW53DZ - Revision of Intraluminal Device in Kidney, Percutaneous Approach

  • 0TW53JZ - Revision of Synthetic Substitute in Kidney, Percutaneous Approach

  • 0TW53KZ - Revision of Nonautologous Tissue Substitute in Kidney, Percutaneous Approach

  • 0TW53YZ - Revision of Other Device in Kidney, Percutaneous Approach

  • 0TW540Z - Revision of Drainage Device in Kidney, Percutaneous Endoscopic Approach

  • 0TW542Z - Revision of Monitoring Device in Kidney, Percutaneous Endoscopic Approach

  • 0TW543Z - Revision of Infusion Device in Kidney, Percutaneous Endoscopic Approach

  • 0TW547Z - Revision of Autologous Tissue Substitute in Kidney, Percutaneous Endoscopic Approach

  • 0TW54CZ - Revision of Extraluminal Device in Kidney, Percutaneous Endoscopic Approach

  • 0TW54DZ - Revision of Intraluminal Device in Kidney, Percutaneous Endoscopic Approach

  • 0TW54JZ - Revision of Synthetic Substitute in Kidney, Percutaneous Endoscopic Approach

  • 0TW54KZ - Revision of Nonautologous Tissue Substitute in Kidney, Percutaneous Endoscopic Approach

  • 0TW54YZ - Revision of Other Device in Kidney, Percutaneous Endoscopic Approach

  • 0TW570Z - Revision of Drainage Device in Kidney, Via Natural or Artificial Opening

  • 0TW572Z - Revision of Monitoring Device in Kidney, Via Natural or Artificial Opening

  • 0TW573Z - Revision of Infusion Device in Kidney, Via Natural or Artificial Opening

  • 0TW577Z - Revision of Autologous Tissue Substitute in Kidney, Via Natural or Artificial Opening

  • 0TW57CZ - Revision of Extraluminal Device in Kidney, Via Natural or Artificial Opening

  • 0TW57DZ - Revision of Intraluminal Device in Kidney, Via Natural or Artificial Opening

  • 0TW57JZ - Revision of Synthetic Substitute in Kidney, Via Natural or Artificial Opening

  • 0TW57KZ - Revision of Nonautologous Tissue Substitute in Kidney, Via Natural or Artificial Opening

  • 0TW57YZ - Revision of Other Device in Kidney, Via Natural or Artificial Opening

  • 0TW580Z - Revision of Drainage Device in Kidney, Via Natural or Artificial Opening Endoscopic

  • 0TW582Z - Revision of Monitoring Device in Kidney, Via Natural or Artificial Opening Endoscopic

  • 0TW583Z - Revision of Infusion Device in Kidney, Via Natural or Artificial Opening Endoscopic

  • 0TW587Z - Revision of Autologous Tissue Substitute in Kidney, Via Natural or Artificial Opening Endoscopic

  • 0TW58CZ - Revision of Extraluminal Device in Kidney, Via Natural or Artificial Opening Endoscopic

  • 0TW58DZ - Revision of Intraluminal Device in Kidney, Via Natural or Artificial Opening Endoscopic

  • 0TW58JZ - Revision of Synthetic Substitute in Kidney, Via Natural or Artificial Opening Endoscopic

  • 0TW58KZ - Revision of Nonautologous Tissue Substitute in Kidney, Via Natural or Artificial Opening Endoscopic

  • 0TW58YZ - Revision of Other Device in Kidney, Via Natural or Artificial Opening Endoscopic

  • 0TW5X0Z - Revision of Drainage Device in Kidney, External Approach

  • 0TW5X2Z - Revision of Monitoring Device in Kidney, External Approach

  • 0TW5X3Z - Revision of Infusion Device in Kidney, External Approach

  • 0TW5X7Z - Revision of Autologous Tissue Substitute in Kidney, External Approach

  • 0TW5XCZ - Revision of Extraluminal Device in Kidney, External Approach

  • 0TW5XDZ - Revision of Intraluminal Device in Kidney, External Approach

  • 0TW5XJZ - Revision of Synthetic Substitute in Kidney, External Approach

  • 0TW5XKZ - Revision of Nonautologous Tissue Substitute in Kidney, External Approach

  • 0TW900Z - Revision of Drainage Device in Ureter, Open Approach

  • 0TW902Z - Revision of Monitoring Device in Ureter, Open Approach

  • 0TW903Z - Revision of Infusion Device in Ureter, Open Approach

  • 0TW907Z - Revision of Autologous Tissue Substitute in Ureter, Open Approach

  • 0TW90CZ - Revision of Extraluminal Device in Ureter, Open Approach

  • 0TW90DZ - Revision of Intraluminal Device in Ureter, Open Approach

  • 0TW90JZ - Revision of Synthetic Substitute in Ureter, Open Approach

  • 0TW90KZ - Revision of Nonautologous Tissue Substitute in Ureter, Open Approach

  • 0TW90MZ - Revision of Stimulator Lead in Ureter, Open Approach

  • 0TW90YZ - Revision of Other Device in Ureter, Open Approach

  • 0TW930Z - Revision of Drainage Device in Ureter, Percutaneous Approach

  • 0TW932Z - Revision of Monitoring Device in Ureter, Percutaneous Approach

  • 0TW933Z - Revision of Infusion Device in Ureter, Percutaneous Approach

  • 0TW937Z - Revision of Autologous Tissue Substitute in Ureter, Percutaneous Approach

  • 0TW93CZ - Revision of Extraluminal Device in Ureter, Percutaneous Approach

  • 0TW93DZ - Revision of Intraluminal Device in Ureter, Percutaneous Approach

  • 0TW93JZ - Revision of Synthetic Substitute in Ureter, Percutaneous Approach

  • 0TW93KZ - Revision of Nonautologous Tissue Substitute in Ureter, Percutaneous Approach

  • 0TW93MZ - Revision of Stimulator Lead in Ureter, Percutaneous Approach

  • 0TW93YZ - Revision of Other Device in Ureter, Percutaneous Approach

  • 0TW940Z - Revision of Drainage Device in Ureter, Percutaneous Endoscopic Approach

  • 0TW942Z - Revision of Monitoring Device in Ureter, Percutaneous Endoscopic Approach

  • 0TW943Z - Revision of Infusion Device in Ureter, Percutaneous Endoscopic Approach

  • 0TW947Z - Revision of Autologous Tissue Substitute in Ureter, Percutaneous Endoscopic Approach

  • 0TW94CZ - Revision of Extraluminal Device in Ureter, Percutaneous Endoscopic Approach

  • 0TW94DZ - Revision of Intraluminal Device in Ureter, Percutaneous Endoscopic Approach

  • 0TW94JZ - Revision of Synthetic Substitute in Ureter, Percutaneous Endoscopic Approach

  • 0TW94KZ - Revision of Nonautologous Tissue Substitute in Ureter, Percutaneous Endoscopic Approach

  • 0TW94MZ - Revision of Stimulator Lead in Ureter, Percutaneous Endoscopic Approach

  • 0TW94YZ - Revision of Other Device in Ureter, Percutaneous Endoscopic Approach

  • 0TW970Z - Revision of Drainage Device in Ureter, Via Natural or Artificial Opening

  • 0TW972Z - Revision of Monitoring Device in Ureter, Via Natural or Artificial Opening

  • 0TW973Z - Revision of Infusion Device in Ureter, Via Natural or Artificial Opening

  • 0TW977Z - Revision of Autologous Tissue Substitute in Ureter, Via Natural or Artificial Opening

  • 0TW97CZ - Revision of Extraluminal Device in Ureter, Via Natural or Artificial Opening

  • 0TW97DZ - Revision of Intraluminal Device in Ureter, Via Natural or Artificial Opening

  • 0TW97JZ - Revision of Synthetic Substitute in Ureter, Via Natural or Artificial Opening

  • 0TW97KZ - Revision of Nonautologous Tissue Substitute in Ureter, Via Natural or Artificial Opening

  • 0TW97MZ - Revision of Stimulator Lead in Ureter, Via Natural or Artificial Opening

  • 0TW97YZ - Revision of Other Device in Ureter, Via Natural or Artificial Opening

  • 0TW980Z - Revision of Drainage Device in Ureter, Via Natural or Artificial Opening Endoscopic

  • 0TW982Z - Revision of Monitoring Device in Ureter, Via Natural or Artificial Opening Endoscopic

  • 0TW983Z - Revision of Infusion Device in Ureter, Via Natural or Artificial Opening Endoscopic

  • 0TW987Z - Revision of Autologous Tissue Substitute in Ureter, Via Natural or Artificial Opening Endoscopic

  • 0TW98CZ - Revision of Extraluminal Device in Ureter, Via Natural or Artificial Opening Endoscopic

  • 0TW98DZ - Revision of Intraluminal Device in Ureter, Via Natural or Artificial Opening Endoscopic

  • 0TW98JZ - Revision of Synthetic Substitute in Ureter, Via Natural or Artificial Opening Endoscopic

  • 0TW98KZ - Revision of Nonautologous Tissue Substitute in Ureter, Via Natural or Artificial Opening Endoscopic

  • 0TW98MZ - Revision of Stimulator Lead in Ureter, Via Natural or Artificial Opening Endoscopic

  • 0TW98YZ - Revision of Other Device in Ureter, Via Natural or Artificial Opening Endoscopic

  • 0TW9X0Z - Revision of Drainage Device in Ureter, External Approach

  • 0TW9X2Z - Revision of Monitoring Device in Ureter, External Approach

  • 0TW9X3Z - Revision of Infusion Device in Ureter, External Approach

  • 0TW9X7Z - Revision of Autologous Tissue Substitute in Ureter, External Approach

  • 0TW9XCZ - Revision of Extraluminal Device in Ureter, External Approach

  • 0TW9XDZ - Revision of Intraluminal Device in Ureter, External Approach

  • 0TW9XJZ - Revision of Synthetic Substitute in Ureter, External Approach

  • 0TW9XKZ - Revision of Nonautologous Tissue Substitute in Ureter, External Approach

  • 0TW9XMZ - Revision of Stimulator Lead in Ureter, External Approach

  • 0TWB00Z - Revision of Drainage Device in Bladder, Open Approach

  • 0TWB02Z - Revision of Monitoring Device in Bladder, Open Approach

  • 0TWB03Z - Revision of Infusion Device in Bladder, Open Approach

  • 0TWB07Z - Revision of Autologous Tissue Substitute in Bladder, Open Approach

  • 0TWB0CZ - Revision of Extraluminal Device in Bladder, Open Approach

  • 0TWB0DZ - Revision of Intraluminal Device in Bladder, Open Approach

  • 0TWB0JZ - Revision of Synthetic Substitute in Bladder, Open Approach

  • 0TWB0KZ - Revision of Nonautologous Tissue Substitute in Bladder, Open Approach

  • 0TWB0LZ - Revision of Artificial Sphincter in Bladder, Open Approach

  • 0TWB0MZ - Revision of Stimulator Lead in Bladder, Open Approach

  • 0TWB0YZ - Revision of Other Device in Bladder, Open Approach

  • 0TWB30Z - Revision of Drainage Device in Bladder, Percutaneous Approach

  • 0TWB32Z - Revision of Monitoring Device in Bladder, Percutaneous Approach

  • 0TWB33Z - Revision of Infusion Device in Bladder, Percutaneous Approach

  • 0TWB37Z - Revision of Autologous Tissue Substitute in Bladder, Percutaneous Approach

  • 0TWB3CZ - Revision of Extraluminal Device in Bladder, Percutaneous Approach

  • 0TWB3DZ - Revision of Intraluminal Device in Bladder, Percutaneous Approach

  • 0TWB3JZ - Revision of Synthetic Substitute in Bladder, Percutaneous Approach

  • 0TWB3KZ - Revision of Nonautologous Tissue Substitute in Bladder, Percutaneous Approach

  • 0TWB3LZ - Revision of Artificial Sphincter in Bladder, Percutaneous Approach

  • 0TWB3MZ - Revision of Stimulator Lead in Bladder, Percutaneous Approach

  • 0TWB3YZ - Revision of Other Device in Bladder, Percutaneous Approach

  • 0TWB40Z - Revision of Drainage Device in Bladder, Percutaneous Endoscopic Approach

  • 0TWB42Z - Revision of Monitoring Device in Bladder, Percutaneous Endoscopic Approach

  • 0TWB43Z - Revision of Infusion Device in Bladder, Percutaneous Endoscopic Approach

  • 0TWB47Z - Revision of Autologous Tissue Substitute in Bladder, Percutaneous Endoscopic Approach

  • 0TWB4CZ - Revision of Extraluminal Device in Bladder, Percutaneous Endoscopic Approach

  • 0TWB4DZ - Revision of Intraluminal Device in Bladder, Percutaneous Endoscopic Approach

  • 0TWB4JZ - Revision of Synthetic Substitute in Bladder, Percutaneous Endoscopic Approach

  • 0TWB4KZ - Revision of Nonautologous Tissue Substitute in Bladder, Percutaneous Endoscopic Approach

  • 0TWB4LZ - Revision of Artificial Sphincter in Bladder, Percutaneous Endoscopic Approach

  • 0TWB4MZ - Revision of Stimulator Lead in Bladder, Percutaneous Endoscopic Approach

  • 0TWB4YZ - Revision of Other Device in Bladder, Percutaneous Endoscopic Approach

  • 0TWB70Z - Revision of Drainage Device in Bladder, Via Natural or Artificial Opening

  • 0TWB72Z - Revision of Monitoring Device in Bladder, Via Natural or Artificial Opening

  • 0TWB73Z - Revision of Infusion Device in Bladder, Via Natural or Artificial Opening

  • 0TWB77Z - Revision of Autologous Tissue Substitute in Bladder, Via Natural or Artificial Opening

  • 0TWB7CZ - Revision of Extraluminal Device in Bladder, Via Natural or Artificial Opening

  • 0TWB7DZ - Revision of Intraluminal Device in Bladder, Via Natural or Artificial Opening

  • 0TWB7JZ - Revision of Synthetic Substitute in Bladder, Via Natural or Artificial Opening

  • 0TWB7KZ - Revision of Nonautologous Tissue Substitute in Bladder, Via Natural or Artificial Opening

  • 0TWB7LZ - Revision of Artificial Sphincter in Bladder, Via Natural or Artificial Opening

  • 0TWB7MZ - Revision of Stimulator Lead in Bladder, Via Natural or Artificial Opening

  • 0TWB7YZ - Revision of Other Device in Bladder, Via Natural or Artificial Opening

  • 0TWB80Z - Revision of Drainage Device in Bladder, Via Natural or Artificial Opening Endoscopic

  • 0TWB82Z - Revision of Monitoring Device in Bladder, Via Natural or Artificial Opening Endoscopic

  • 0TWB83Z - Revision of Infusion Device in Bladder, Via Natural or Artificial Opening Endoscopic

  • 0TWB87Z - Revision of Autologous Tissue Substitute in Bladder, Via Natural or Artificial Opening Endoscopic

  • 0TWB8CZ - Revision of Extraluminal Device in Bladder, Via Natural or Artificial Opening Endoscopic

  • 0TWB8DZ - Revision of Intraluminal Device in Bladder, Via Natural or Artificial Opening Endoscopic

  • 0TWB8JZ - Revision of Synthetic Substitute in Bladder, Via Natural or Artificial Opening Endoscopic

  • 0TWB8KZ - Revision of Nonautologous Tissue Substitute in Bladder, Via Natural or Artificial Opening Endoscopic

  • 0TWB8LZ - Revision of Artificial Sphincter in Bladder, Via Natural or Artificial Opening Endoscopic

  • 0TWB8MZ - Revision of Stimulator Lead in Bladder, Via Natural or Artificial Opening Endoscopic

  • 0TWB8YZ - Revision of Other Device in Bladder, Via Natural or Artificial Opening Endoscopic

  • 0TWBX0Z - Revision of Drainage Device in Bladder, External Approach

  • 0TWBX2Z - Revision of Monitoring Device in Bladder, External Approach

  • 0TWBX3Z - Revision of Infusion Device in Bladder, External Approach

  • 0TWBX7Z - Revision of Autologous Tissue Substitute in Bladder, External Approach

  • 0TWBXCZ - Revision of Extraluminal Device in Bladder, External Approach

  • 0TWBXDZ - Revision of Intraluminal Device in Bladder, External Approach

  • 0TWBXJZ - Revision of Synthetic Substitute in Bladder, External Approach

  • 0TWBXKZ - Revision of Nonautologous Tissue Substitute in Bladder, External Approach

  • 0TWBXLZ - Revision of Artificial Sphincter in Bladder, External Approach

  • 0TWBXMZ - Revision of Stimulator Lead in Bladder, External Approach

  • 0TWD00Z - Revision of Drainage Device in Urethra, Open Approach

  • 0TWD02Z - Revision of Monitoring Device in Urethra, Open Approach

  • 0TWD03Z - Revision of Infusion Device in Urethra, Open Approach

  • 0TWD07Z - Revision of Autologous Tissue Substitute in Urethra, Open Approach

  • 0TWD0CZ - Revision of Extraluminal Device in Urethra, Open Approach

  • 0TWD0DZ - Revision of Intraluminal Device in Urethra, Open Approach

  • 0TWD0JZ - Revision of Synthetic Substitute in Urethra, Open Approach

  • 0TWD0KZ - Revision of Nonautologous Tissue Substitute in Urethra, Open Approach

  • 0TWD0LZ - Revision of Artificial Sphincter in Urethra, Open Approach

  • 0TWD0YZ - Revision of Other Device in Urethra, Open Approach

  • 0TWD30Z - Revision of Drainage Device in Urethra, Percutaneous Approach

  • 0TWD32Z - Revision of Monitoring Device in Urethra, Percutaneous Approach

  • 0TWD33Z - Revision of Infusion Device in Urethra, Percutaneous Approach

  • 0TWD37Z - Revision of Autologous Tissue Substitute in Urethra, Percutaneous Approach

  • 0TWD3CZ - Revision of Extraluminal Device in Urethra, Percutaneous Approach

  • 0TWD3DZ - Revision of Intraluminal Device in Urethra, Percutaneous Approach

  • 0TWD3JZ - Revision of Synthetic Substitute in Urethra, Percutaneous Approach

  • 0TWD3KZ - Revision of Nonautologous Tissue Substitute in Urethra, Percutaneous Approach

  • 0TWD3LZ - Revision of Artificial Sphincter in Urethra, Percutaneous Approach

  • 0TWD3YZ - Revision of Other Device in Urethra, Percutaneous Approach

  • 0TWD40Z - Revision of Drainage Device in Urethra, Percutaneous Endoscopic Approach

  • 0TWD42Z - Revision of Monitoring Device in Urethra, Percutaneous Endoscopic Approach

  • 0TWD43Z - Revision of Infusion Device in Urethra, Percutaneous Endoscopic Approach

  • 0TWD47Z - Revision of Autologous Tissue Substitute in Urethra, Percutaneous Endoscopic Approach

  • 0TWD4CZ - Revision of Extraluminal Device in Urethra, Percutaneous Endoscopic Approach

  • 0TWD4DZ - Revision of Intraluminal Device in Urethra, Percutaneous Endoscopic Approach

  • 0TWD4JZ - Revision of Synthetic Substitute in Urethra, Percutaneous Endoscopic Approach

  • 0TWD4KZ - Revision of Nonautologous Tissue Substitute in Urethra, Percutaneous Endoscopic Approach

  • 0TWD4LZ - Revision of Artificial Sphincter in Urethra, Percutaneous Endoscopic Approach

  • 0TWD4YZ - Revision of Other Device in Urethra, Percutaneous Endoscopic Approach

  • 0TWD70Z - Revision of Drainage Device in Urethra, Via Natural or Artificial Opening

  • 0TWD72Z - Revision of Monitoring Device in Urethra, Via Natural or Artificial Opening

  • 0TWD73Z - Revision of Infusion Device in Urethra, Via Natural or Artificial Opening

  • 0TWD77Z - Revision of Autologous Tissue Substitute in Urethra, Via Natural or Artificial Opening

  • 0TWD7CZ - Revision of Extraluminal Device in Urethra, Via Natural or Artificial Opening

  • 0TWD7DZ - Revision of Intraluminal Device in Urethra, Via Natural or Artificial Opening

  • 0TWD7JZ - Revision of Synthetic Substitute in Urethra, Via Natural or Artificial Opening

  • 0TWD7KZ - Revision of Nonautologous Tissue Substitute in Urethra, Via Natural or Artificial Opening

  • 0TWD7LZ - Revision of Artificial Sphincter in Urethra, Via Natural or Artificial Opening

  • 0TWD7YZ - Revision of Other Device in Urethra, Via Natural or Artificial Opening

  • 0TWD80Z - Revision of Drainage Device in Urethra, Via Natural or Artificial Opening Endoscopic

  • 0TWD82Z - Revision of Monitoring Device in Urethra, Via Natural or Artificial Opening Endoscopic

  • 0TWD83Z - Revision of Infusion Device in Urethra, Via Natural or Artificial Opening Endoscopic

  • 0TWD87Z - Revision of Autologous Tissue Substitute in Urethra, Via Natural or Artificial Opening Endoscopic

  • 0TWD8CZ - Revision of Extraluminal Device in Urethra, Via Natural or Artificial Opening Endoscopic

  • 0TWD8DZ - Revision of Intraluminal Device in Urethra, Via Natural or Artificial Opening Endoscopic

  • 0TWD8JZ - Revision of Synthetic Substitute in Urethra, Via Natural or Artificial Opening Endoscopic

  • 0TWD8KZ - Revision of Nonautologous Tissue Substitute in Urethra, Via Natural or Artificial Opening Endoscopic

  • 0TWD8LZ - Revision of Artificial Sphincter in Urethra, Via Natural or Artificial Opening Endoscopic

  • 0TWD8YZ - Revision of Other Device in Urethra, Via Natural or Artificial Opening Endoscopic

  • 0TWDX0Z - Revision of Drainage Device in Urethra, External Approach

  • 0TWDX2Z - Revision of Monitoring Device in Urethra, External Approach

  • 0TWDX3Z - Revision of Infusion Device in Urethra, External Approach

  • 0TWDX7Z - Revision of Autologous Tissue Substitute in Urethra, External Approach

  • 0TWDXCZ - Revision of Extraluminal Device in Urethra, External Approach

  • 0TWDXDZ - Revision of Intraluminal Device in Urethra, External Approach

  • 0TWDXJZ - Revision of Synthetic Substitute in Urethra, External Approach

  • 0TWDXKZ - Revision of Nonautologous Tissue Substitute in Urethra, External Approach

  • 0TWDXLZ - Revision of Artificial Sphincter in Urethra, External Approach