A4418 Ost pch clsd without bar w filtr
Also known as: closed pouch separate barrier, standard closed pouch
Ostomy pouch closed without integrated barrier with filter.
In Plain Language
sealed bag without attached base; closed disposable
Clinical Context
Used for colostomy patients with stable peristomal skin. Requires separate barrier application; allows flexibility in barrier selection while maintaining closed pouch benefits.
RVU Information
CPT A4418 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 A4418?
CPT A4418 (Ost pch clsd without bar w filtr) is a A Codes code. Ostomy pouch closed without integrated barrier with filter.
Does Medicare cover A4418?
Medicare coverage for A4418 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used for colostomy patients with stable peristomal skin. Requires separate barrier application; allows flexibility in barrier selection while maintaining closed pouch benefits. A physician order is typically required.
When is CPT A4418 used?
Used for colostomy patients with stable peristomal skin. Requires separate barrier application; allows flexibility in barrier selection while maintaining closed pouch benefits.
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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.