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2025 HCPCS code A4389

Drainable ostomy pouch with a convex barrier, designed as a one-piece system.

In simple words: This code covers a drainable bag for collecting waste from an ostomy, with a curved part that fits snugly against the skin. It's a single unit that is changed all at once.

This code represents a drainable ostomy pouch with an attached convex barrier. The convexity of the barrier is built-in, meaning it is designed with an outward curve to help accommodate a stoma that is flush with the skin or retracted. It is a one-piece system, where the pouch and barrier are integrated, requiring the entire unit to be changed together. This code is used for each pouch supplied to the patient.

Example 1: A patient with a colostomy who requires a convex barrier to ensure a proper seal around a retracted stoma. The one-piece system simplifies the changing process., A patient with an ileostomy who finds the convex barrier provides greater security and leak prevention due to the curvature of their abdomen., A patient with a urostomy that prefers a one-piece system to minimize steps during pouch changes.

Documentation should support the medical necessity of the convex barrier, and the type of ostomy (colostomy, ileostomy, urostomy). The documentation must also demonstrate that the patient requires this particular HCPCS code, for example, because of specific patient needs.

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