CMS assigns Q codes to procedures, services, and supplies on a temporary basis. When a permanent code is assigned, the Q code is deleted and cross-referenced.

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• Q4333

  Ardeograft, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4334

  Amnioplast 1, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4335

  Amnioplast 2, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4336

  Artacent c, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4337

  Artacent trident, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4338

  Artacent velos, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4339

  Artacent vericlen, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4340

  Simpligraft, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4341

  Simplimax, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4342

  Theramend, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4343

  Dermacyte ac matrix amniotic membrane allograft, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4344

  Tri-membrane wrap, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4345

  Matrix hd allograft dermis, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4346

  Shelter dm matrix, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4347

  Rampart dl matrix, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4348

  Sentry sl matrix, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4349

  Mantle dl matrix, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4350

  Palisade dm matrix, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4351

  Enclose tl matrix, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4352

  Overlay sl matrix, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4353

  Xceed tl matrix, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4354

  Palingen dual-layer membrane and dual-layer palingen x-membrane, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4355

  Abiomend xplus membrane and abiomend xplus hydromembrane, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4356

  Abiomend membrane and abiomend hydromembrane, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4357

  Xwrap plus, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4358

  Xwrap dual, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4359

  Choriply, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4360

  Amchoplast fd, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4361

  Epixpress, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4362

  Cygnus disk, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4363

  Amnio burgeon membrane and hydromembrane, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4364

  Amnio burgeon xplus membrane and xplus hydromembrane, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4365

  Amnio burgeon dual-layer membrane, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4366

  Dual layer amnio burgeon x-membrane, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4367

  Amniocore sl, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4368

  Amchothick, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4369

  Amnioplast 3, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4370

  Aeroguard, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4371

  Neoguard, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4372

  Amchoplast excel, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4373

  Membrane wrap lite, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4375

  Duograft ac, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4376

  Duograft aa, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4377

  Trigraft ft, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4378

  Renew ft matrix, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4379

  Amniodefend ft matrix, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4380

  Advograft one, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4382

  Advograft dual, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4383

  Axolotl graft ultra, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4384

  Axolotl dualgraft ultra, per square centimeter (add-on, list separately in addition to primary procedure)

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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 6/3/2026

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