0TV37DZ
Restriction Kidney Pelvis, Right to No Qualifier with Intraluminal Device, Via Natural or Artificial Opening Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | T Urinary System |
| Operation | V Restriction |
| Body Part | 3 Kidney Pelvis, Right |
| Approach | 7 Via Natural or Artificial Opening |
| Device | D Intraluminal Device |
| Qualifier | Z No Qualifier |
Operation Definition
Partially closing an orifice or the lumen of a tubular body part
Procedure Overview
Restriction procedures in the urinary system are performed to partially narrow an orifice or the lumen of a tubular structure such as a ureter or the urethra. This family is most commonly encountered in the surgical management of stress urinary incontinence, where a sling, band, or suture technique is used to add resistance at the urethra so that involuntary urine leakage is reduced during coughing, exertion, or sudden movement.
These procedures do not close the passage completely; some degree of flow is preserved, which is what separates restriction from occlusion. Patients typically pursue these options after conservative measures like pelvic floor therapy have not adequately controlled symptoms, or when imaging or urodynamic testing has identified a specific area of the urinary tract that needs mechanical narrowing to function properly.
Anatomy & Axis Detail
Kidney Pelvis, Right
The right kidney pelvis is the funnel-shaped collecting structure where the major calyces converge before urine passes into the ureter, and it can develop a redundant, ballooning, or refluxing configuration that predisposes to obstruction or recurrent pyelonephritis. Restriction narrows this outlet, typically through an endoscopic or open pyeloplasty-adjacent technique that tightens the ureteropelvic junction without removing tissue, distinguishing it from an occlusion that would seal the passage entirely. Because the pelvis sits deep within the renal sinus and is closely applied to intrarenal vasculature, the approach is chosen to protect blood supply while narrowing the lumen enough to correct dilation or reflux. This procedure is coded separately from left-sided work, and documentation should clarify whether the narrowing targets the pelvis itself rather than the adjoining ureter, since the two structures carry distinct body part values.
Approach: Via Natural or Artificial Opening
Via Natural or Artificial Opening means the instrument reaches the target site by passing through an existing body orifice, such as the mouth or urethra, or a surgically created opening like a stoma, without additional incision or scope guidance. It is distinguished from the Endoscopic variant by the absence of a visualizing scope, and from External by actually traversing into the body through that opening.
Device: Intraluminal Device
Intraluminal Device denotes a single device, such as a stent or occlusion device, positioned within the lumen of a tubular body part like a vessel, duct, or airway to maintain patency or occlude flow. It carries no drug coating or radioactivity, distinguishing it from the drug-eluting, radioactive, and bioactive intraluminal device values, and from Extraluminal Device, which sits outside rather than inside the lumen.
Coding & Documentation
Coders should verify that the documentation describes a partial narrowing of the passage, such as placement of a sling or band, or plication of tissue around the urethra or ureter, without complete closure. The device or material used, along with the specific urinary structure treated, must be clearly stated in the operative report to support code assignment. A common error is mistaking Restriction for Occlusion, which is used only when the lumen is completely closed off, or for Supplement when the intent is reinforcement of a wall rather than narrowing of the passage itself.
Documentation should also clarify whether a device remains in place, since that affects whether a device value is reported alongside the procedure.