A4321 Catheter therapeutic irrig agent
Also known as: irrigation solution, bladder irrigant
Catheter therapeutic irrigation agent, a sterile therapeutic solution used in bladder irrigation for managing hematuria, infections, or post-procedural inflammation.
In Plain Language
medication rinse for bladder; therapeutic washing fluid
Clinical Context
Used during or after urological procedures for bladder irrigation with therapeutic agents such as antibiotics or antiseptics.
RVU Information
CPT A4321 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 A4321?
CPT A4321 (Catheter therapeutic irrig agent) is a A Codes code. Catheter therapeutic irrigation agent, a sterile therapeutic solution used in bladder irrigation for managing hematuria, infections, or post-procedural inflammation.
Does Medicare cover A4321?
Medicare coverage for A4321 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used during or after urological procedures for bladder irrigation with therapeutic agents such as antibiotics or antiseptics. A physician order is typically required.
When is CPT A4321 used?
Used during or after urological procedures for bladder irrigation with therapeutic agents such as antibiotics or antiseptics.
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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.