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Extension drainage tubing, any type, any length, with connector/adaptor, for use with urinary leg bag or urostomy pouch, each

HCPCS code

Name of the Procedure:

  • Common Name(s): Extension Drainage Tubing
  • Technical or Medical Terms: HCPCS Code A4331


Extension drainage tubing is a medical accessory used to connect a urinary leg bag or urostomy pouch to a drainage system. It comes in any type and length and features connectors or adaptors for easy attachment. This tubing facilitates the efficient collection and disposal of urine from the body.


The primary purpose of extension drainage tubing is to provide a reliable channel for urine drainage in patients who have a urinary leg bag or urostomy pouch. It helps manage urinary incontinence and collect urine effectively, thus preventing leakage and promoting hygiene.


  • Urinary incontinence
  • Post-urological surgeries
  • Bladder dysfunction
  • Conditions requiring long-term catheterization
  • Patients with urostomies


  • No specific fasting or medication adjustments are generally required.
  • Ensure the urinary leg bag or urostomy pouch is in proper position and functioning.
  • Maintain personal hygiene to prevent infections.

Procedure Description

  1. Selection: Choose the appropriate type and length of the drainage tubing based on the individual needs.
  2. Connection: Attach one end of the tubing to the urinary leg bag or urostomy pouch.
  3. Attachment: Secure the tubing using provided connectors or adaptors to ensure there is no leakage.
  4. Placement: Position the tubing to facilitate easy drainage without causing any discomfort to the patient.
  5. Verification: Ensure all connections are secure, and urine flows freely through the tubing into the drainage system.


The procedure typically takes a few minutes to complete.


The procedure can be performed in:

  • Hospitals
  • Outpatient clinics
  • Home healthcare settings


  • Primary Caregiver or Nurse
  • Patient themselves or a family member with adequate training

Risks and Complications

  • Common risks: minor discomfort, slight leakage if not connected properly
  • Rare risks: infection, blockage in tubing


  • Provides a reliable means of urine drainage
  • Promotes independence and mobility
  • Enhances comfort and hygiene
  • Benefits can be realized immediately upon correct attachment


  • Minimal post-procedure care required
  • Ensure tubing is kept clean and free from kinks
  • Follow-up with healthcare provider for routine checks


  • Direct catheter drainage
  • Absorbent incontinence products
  • Suprapubic catheters
  • Each alternative has its own set of pros and cons depending on the patient's condition and lifestyle.

Patient Experience

  • Generally, the procedure is non-invasive and comfortable.
  • Patients might feel a sense of security knowing they have a reliable drainage system.
  • Pain management is typically not required; however, maintain comfort by checking connections and avoiding kinks in the tubing.

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