HCPCS A-Codes
Transportation Services Including Ambulance, Medical & Surgical Supplies

This section covers a wide variety of medical and surgical supplies, as well as some DME-related supplies and accessories. Medicare generally covers DME-related supplies, accessories, maintenance, and repair under the prosthetic devices provision.


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  • A4369

    Ostomy skin barrier, liquid (spray, brush, etc.), per oz
  • A4371

    Ostomy skin barrier, powder, 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
  • A4381

    Ostomy pouch, urinary, for use on faceplate, plastic, each
  • A4382

    Ostomy pouch, urinary, for use on faceplate, heavy plastic, each
  • A4383

    Ostomy pouch, urinary, for use on faceplate, rubber, each
  • A4384

    Ostomy faceplate equivalent, silicone ring, each
  • A4385

    Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each
  • A4387

    Ostomy pouch, closed, with barrier attached, with built-in convexity (1 piece), each
  • A4388

    Ostomy pouch, drainable, with extended wear barrier attached, (1 piece), each
  • A4389

    Ostomy pouch, drainable, with barrier attached, with built-in convexity (1 piece), each
  • A4390

    Ostomy pouch, drainable, with extended wear barrier attached, with built-in convexity (1 piece), each
  • A4391

    Ostomy pouch, urinary, with extended wear barrier attached (1 piece), each
  • A4392

    Ostomy pouch, urinary, with standard wear barrier attached, with built-in convexity (1 piece), each
  • A4393

    Ostomy pouch, urinary, with extended wear barrier attached, with built-in convexity (1 piece), each
  • A4394

    Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce
  • A4395

    Ostomy deodorant for use in ostomy pouch, solid, per tablet
  • A4396

    Ostomy belt with peristomal hernia support
  • A4397

    Irrigation supply; sleeve, each
  • A4398

    Ostomy irrigation supply; bag, each
  • A4399

    Ostomy irrigation supply; cone/catheter, with or without brush
  • A4400

    Ostomy irrigation set
  • A4402

    Lubricant, per ounce
  • A4404

    Ostomy ring, each
  • A4405

    Ostomy skin barrier, non-pectin based, paste, per ounce
  • A4406

    Ostomy skin barrier, pectin-based, paste, per ounce
  • A4407

    Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each
  • A4408

    Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, with built-in convexity, larger than 4 x 4 inches, each
  • A4409

    Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each
  • A4410

    Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, larger than 4 x 4 inches, each
  • A4411

    Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, with built-in convexity, each
  • A4412

    Ostomy pouch, drainable, high output, for use on a barrier with flange (2 piece system), without filter, each
  • A4413

    Ostomy pouch, drainable, high output, for use on a barrier with flange (2 piece system), with filter, each
  • A4414

    Ostomy skin barrier, with flange (solid, flexible or accordion), without built-in convexity, 4 x 4 inches or smaller, each
  • A4415

    Ostomy skin barrier, with flange (solid, flexible or accordion), without built-in convexity, larger than 4 x 4 inches, each
  • A4416

    Ostomy pouch, closed, with barrier attached, with filter (1 piece), each
  • A4417

    Ostomy pouch, closed, with barrier attached, with built-in convexity, with filter (1 piece), each
  • A4418

    Ostomy pouch, closed; without barrier attached, with filter (1 piece), each
  • A4419

    Ostomy pouch, closed; for use on barrier with non-locking flange, with filter (2 piece), each
  • A4420

    Ostomy pouch, closed; for use on barrier with locking flange (2 piece), each
  • A4421

    Ostomy supply; miscellaneous
  • A4422

    Ostomy absorbent material (sheet/pad/crystal packet) for use in ostomy pouch to thicken liquid stomal output, each
  • A4423

    Ostomy pouch, closed; for use on barrier with locking flange, with filter (2 piece), each

HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 7/24/2026

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