A4331 Extension drainage tubing
Also known as: extension tubing, drainage extension, catheter extension
Extension drainage tubing, a flexible tube that extends from catheter or drainage devices to collect containers, allowing increased mobility.
In Plain Language
extra-long drainage tube; catheter connector tubing
Clinical Context
Used to extend reach from catheter to drainage collection system, enabling patient mobility and comfort during drainage.
RVU Information
CPT A4331 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.
Billing & Documentation
HCPCS A-codes cover medical supplies, equipment, and transport services. Documentation must establish medical necessity and include a physician order. For durable medical equipment (DME), a Certificate of Medical Necessity (CMN) or detailed written order may be required.
Specialties
Frequently Asked Questions
What is CPT code A4331?
CPT A4331 (Extension drainage tubing) is a A Codes code. Extension drainage tubing, a flexible tube that extends from catheter or drainage devices to collect containers, allowing increased mobility.
Does Medicare cover A4331?
Medicare coverage for A4331 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used to extend reach from catheter to drainage collection system, enabling patient mobility and comfort during drainage. A physician order is typically required.
When is CPT A4331 used?
Used to extend reach from catheter to drainage collection system, enabling patient mobility and comfort during drainage.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.