A4423 Ost pch for bar w lk fl/fltr
Also known as: flange pouch with lock, locking barrier pouch
Ostomy pouch for skin barrier with locking flange and filter.
In Plain Language
pouch with secure connection; locking system bag
Clinical Context
Used with locking flange skin barriers. Provides secure seal, easy pouch changes, and odor control through integrated filter.
RVU Information
CPT A4423 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 A4423?
CPT A4423 (Ost pch for bar w lk fl/fltr) is a A Codes code. Ostomy pouch for skin barrier with locking flange and filter.
Does Medicare cover A4423?
Medicare coverage for A4423 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used with locking flange skin barriers. Provides secure seal, easy pouch changes, and odor control through integrated filter. A physician order is typically required.
When is CPT A4423 used?
Used with locking flange skin barriers. Provides secure seal, easy pouch changes, and odor control through integrated filter.
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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.