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Official Description

Dilation of ureter(s) or urethra, radiological supervision and interpretation

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 74485 refers to the procedure of dilation of the ureter(s) or urethra, which is performed under radiological supervision and interpretation. This procedure is essential in addressing conditions such as stenosis or obstruction within the ureter or urethra, which can lead to significant complications if left untreated. Stenosis refers to the narrowing of these tubular structures, while obstruction indicates a blockage that can impede the normal flow of urine. The procedure involves the use of imaging techniques to guide the dilation process, ensuring precision and safety. During the dilation, a cystourethroscope is utilized to navigate through the urethra and bladder into the ureter, allowing for the insertion of a guidewire. This guidewire serves as a pathway for a ureteroscope, which is then used to reach the area of the stricture. The introduction of contrast medium and subsequent X-ray imaging are critical steps that facilitate the visualization of the ureter or urethra, enabling the healthcare provider to assess the extent of the obstruction or narrowing accurately. The dilation itself may be performed using a balloon dilator or progressively larger dilators, depending on the specific requirements of the case. The comprehensive nature of this procedure, including the radiological supervision, interpretation of findings, and documentation in a written report, underscores its complexity and the necessity for skilled professionals to execute it effectively.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure described by CPT® Code 74485 is indicated for specific conditions affecting the ureter(s) or urethra. These indications include:

  • Stenosis - A condition characterized by the narrowing of the ureter or urethra, which can impede the flow of urine.
  • Obstruction - A blockage within the ureter or urethra that prevents normal urinary flow, potentially leading to complications such as hydronephrosis or urinary tract infections.

2. Procedure

The procedure for dilation of the ureter(s) or urethra involves several critical steps, each designed to ensure effective treatment of the identified stenosis or obstruction. The steps are as follows:

  • Step 1: Insertion of Cystourethroscope - The procedure begins with the insertion of a cystourethroscope into the urethra. This specialized instrument is advanced through the urethra and into the bladder, allowing access to the ureter.
  • Step 2: Advancement of Guidewire - Once the cystourethroscope is in place, a guidewire is passed through the area of the stricture. This guidewire serves as a pathway for subsequent instruments and is crucial for navigating the obstructed area.
  • Step 3: Use of Ureteroscope - A semi-rigid or flexible ureteroscope is then passed over the guidewire to reach the site of the stricture. This allows for direct visualization and access to the affected area.
  • Step 4: Injection of Contrast Medium - After positioning the ureteroscope, a contrast medium is injected to enhance imaging. This step is vital for obtaining clear X-ray images of the ureter or urethra, which helps in assessing the severity of the stricture.
  • Step 5: X-ray Imaging - X-ray images are obtained to visualize the ureter or urethra, providing essential information regarding the anatomy and the extent of the obstruction or narrowing.
  • Step 6: Dilation of the Stricture - A balloon dilator may be advanced to the site of the stricture and inflated to widen the narrowed area. Alternatively, progressively larger dilators may be used to achieve the desired dilation of the urethra.
  • Step 7: Documentation - Throughout the procedure, the radiological supervision and interpretation of findings are documented, culminating in a written report that details the procedure and its outcomes.

3. Post-Procedure

Post-procedure care following the dilation of the ureter(s) or urethra typically involves monitoring for any immediate complications, such as bleeding or infection. Patients may be advised to increase fluid intake to facilitate urine flow and reduce the risk of urinary retention. Follow-up appointments may be scheduled to assess the effectiveness of the dilation and to monitor for any recurrence of stenosis or obstruction. It is essential for healthcare providers to provide patients with clear instructions regarding signs of complications that should prompt immediate medical attention.

Short Descr DILATION URTR/URT RS&I
Medium Descr DILATION URETERS/URETHRA RS&I
Long Descr Dilation of ureter(s) or urethra, radiological supervision and interpretation
Status Code Active Code
Global Days XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC) 1 - Diagnostic Tests for Radiology Services
Multiple Procedures (51) 0 - No payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50) 0 - 150% payment adjustment for bilateral procedures does NOT apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 0 - Payment restriction for assistants at surgery applies to this procedure...
Co-Surgeons (62) 0 - Co-surgeons not permitted for this procedure.
Team Surgery (66) 0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator T-Packaged Codes
ASC Payment Indicator Packaged service/item; no separate payment made.
Type of Service (TOS) 4 - Diagnostic Radiology
Berenson-Eggers TOS (BETOS) I1F - Standard imaging - other
MUE 2
CCS Clinical Classification 226 - Other diagnostic radiology and related techniques
26 Professional component: certain procedures are a combination of a physician or other qualified health care professional component and a technical component. when the physician or other qualified health care professional component is reported separately, the service may be identified by adding modifier 26 to the usual procedure number.
59 Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.
TC Technical component; under certain circumstances, a charge may be made for the technical component alone; under those circumstances the technical component charge is identified by adding modifier 'tc' to the usual procedure number; technical component charges are institutional charges and not billed separately by physicians; however, portable x-ray suppliers only bill for technical component and should utilize modifier tc; the charge data from portable x-ray suppliers will then be used to build customary and prevailing profiles
LT Left side (used to identify procedures performed on the left side of the body)
52 Reduced services: under certain circumstances a service or procedure is partially reduced or eliminated at the discretion of the physician or other qualified health care professional. under these circumstances the service provided can be identified by its usual procedure number and the addition of modifier 52, signifying that the service is reduced. this provides a means of reporting reduced services without disturbing the identification of the basic service. note: for hospital outpatient reporting of a previously scheduled procedure/service that is partially reduced or cancelled as a result of extenuating circumstances or those that threaten the well-being of the patient prior to or after administration of anesthesia, see modifiers 73 and 74 (see modifiers approved for asc hospital outpatient use).
GC This service has been performed in part by a resident under the direction of a teaching physician
GW Service not related to the hospice patient's terminal condition
RT Right side (used to identify procedures performed on the right side of the body)
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
Date
Action
Notes
2019-01-01 Changed Description Changed
2011-01-01 Changed Short description changed.
Pre-1990 Added Code added.
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