A4420 Ost pch clsd for bar w lk fl
Also known as: closed locking pouch, closed flange system
Ostomy pouch closed for skin barrier with locking flange.
In Plain Language
sealed bag with locking connection; closed locking system
Clinical Context
Used with locking flange skin barriers for secure closure and sealed collection. Ideal for colostomy patients requiring leak-proof odor control.
RVU Information
CPT A4420 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 A4420?
CPT A4420 (Ost pch clsd for bar w lk fl) is a A Codes code. Ostomy pouch closed for skin barrier with locking flange.
Does Medicare cover A4420?
Medicare coverage for A4420 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used with locking flange skin barriers for secure closure and sealed collection. Ideal for colostomy patients requiring leak-proof odor control. A physician order is typically required.
When is CPT A4420 used?
Used with locking flange skin barriers for secure closure and sealed collection. Ideal for colostomy patients requiring leak-proof odor control.
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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.