ICD-10-PCS Billable Code

0TV40DZ

Restriction Kidney Pelvis, Left to No Qualifier with Intraluminal Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemT Urinary System
OperationV Restriction
Body Part4 Kidney Pelvis, Left
Approach0 Open
DeviceD Intraluminal Device
QualifierZ 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, Left

The left kidney pelvis collects urine from the calyces before it drains into the left ureter, and dilation or reflux here often reflects a ureteropelvic junction problem or chronic outflow resistance on that side. Restriction reduces the diameter of the pelvis without occluding it completely, aiming to correct redundancy or a wide, poorly draining funnel that predisposes to stasis and infection while preserving forward urine flow. The procedure requires care around the renal hilum, since the pelvis lies adjacent to segmental vessels that must be avoided as the lumen is narrowed. Laterality matters for accurate coding, so operative notes should confirm the left side explicitly and describe whether the narrowing is confined to the pelvis or extends toward the ureteropelvic junction, since involvement of the proximal ureter would change the body part reported.

Approach: Open

Open approach means the surgeon cuts through skin, mucous membrane, or other tissue layers to physically expose the target site to view before performing the procedure. It gives direct visualization and hands-on access, distinguishing it from Percutaneous approaches where instruments pass through a small puncture without exposing the site. Open is typical for procedures needing wide access, such as most laparotomies.

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.

Commonly Confused With

OcclusionRestriction is frequently confused with Occlusion, since both act on a tubular structure, but Occlusion completely closes the lumen while Restriction only narrows it.
SupplementIt is also confused with Supplement, which reinforces a wall without necessarily narrowing the passage, and with Control, which addresses bleeding rather than structural narrowing.