A4371 – Ostomy skin barrier, powder, per oz
HCPCS Level II code · A codes: Transportation, Medical & Surgical Supplies, Miscellaneous & Experimental
HCPCS codeA4371
- Long description
- Ostomy skin barrier, powder, per oz
- Short description
- Skin barrier powder per oz
- Pricing indicator
37Ostomy, tracheostomy and urological supplies- Medicare coverage
DSpecial coverage instructions apply- BETOS category
D1FProsthetic/Orthotic devices- Added
- January 1, 2000
- Last change
- January 1, 2003 – No change
Frequently asked questions
What is HCPCS code A4371?
A4371 is a HCPCS Level II code for ostomy skin barrier, powder, per oz.
Does Medicare cover A4371?
The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby A codes
- A4361 – Ostomy faceplate, each
- A4362 – Skin barrier; solid, 4 x 4 or equivalent; each
- A4363 – Ostomy clamp, any type, replacement only, each
- A4364 – Adhesive, liquid or equal, any type, per oz
- A4366 – Ostomy vent, any type, each
- A4367 – Ostomy belt, each
- A4368 – Ostomy filter, any type, each
- A4369 – Ostomy skin barrier, liquid (spray, brush, etc.), per oz
- A4372 – Ostomy skin barrier, solid 4 x 4 or equivalent, standard wear, with built-in convexity, each
- A4373 – Ostomy skin barrier, with flange (solid, flexible or accordion), with built-in convexity, any size, each
- A4375 – Ostomy pouch, drainable, with faceplate attached, plastic, each
- A4376 – Ostomy pouch, drainable, with faceplate attached, rubber, each
- A4377 – Ostomy pouch, drainable, for use on faceplate, plastic, each
- A4378 – Ostomy pouch, drainable, for use on faceplate, rubber, each
- A4379 – Ostomy pouch, urinary, with faceplate attached, plastic, each
- A4380 – Ostomy pouch, urinary, with faceplate attached, rubber, each
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.