0TF78ZZ
Fragmentation Ureter, Left to No Qualifier with No Device, Via Natural or Artificial Opening Endoscopic Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | T Urinary System |
| Operation | F Fragmentation |
| Body Part | 7 Ureter, Left |
| Approach | 8 Via Natural or Artificial Opening Endoscopic |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Breaking solid matter in a body part into pieces
Procedure Overview
Fragmentation refers to breaking up a stone or other solid mass inside the urinary tract into smaller pieces without removing the pieces during the same maneuver. Shockwave lithotripsy (ESWL) delivered from outside the body and laser or ultrasonic lithotripsy performed through a ureteroscope are the two most common ways this is done for kidney and ureteral stones, and occasionally bladder stones. The goal is to reduce a stone too large to pass into fragments small enough to be passed naturally or removed with a separate instrument.
Anatomy & Axis Detail
Ureter, Left
The left ureter carries urine from kidney to bladder through a lumen only a few millimeters wide, making it susceptible to impaction by even small calculi and to the flank pain characteristic of ureteral colic. When a stone lodges here, fragmentation breaks it into passable pieces using laser or shock wave energy delivered endoscopically, sparing the ureteral wall from incision. The mid and distal segments, where the vessel crosses the iliac vessels and courses toward the bladder, are common impaction points and influence how far the scope must be advanced. Coders should distinguish this disruptive stone-breaking from any concurrent stent placement or calculus removal, since those represent separate root operations performed in the same encounter.
Approach: Via Natural or Artificial Opening Endoscopic
Via Natural or Artificial Opening Endoscopic describes instrumentation introduced through a natural orifice or a surgically created opening while using an endoscope for visualization, as in a routine colonoscopy performed through the anus. It differs from the plain Via Natural or Artificial Opening value by the added scope, and from Percutaneous Endoscopic by using an existing passage rather than a new skin puncture.
Coding & Documentation
Documentation should describe the mechanism used to break the stone (shockwave, laser, ultrasonic) and the location - kidney, ureter, or bladder - since the code is specific to the body part where fragmentation occurred. A common coding pitfall is missing a second code for Extirpation when the operative note also describes basket retrieval of fragments in the same session, since fragmentation and extraction of the resulting pieces are captured as two separate root operations rather than one combined code.