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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• Q4128

  Flex hd, or allopatch hd, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4129

  Unite biomatrix, per square centimeter

• Q4130

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

• Q4131

  Epifix or epicord, per square centimeter

• Q4132

  Grafix core and grafixpl core, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4133

  Grafix prime, grafixpl prime, stravix and stravixpl, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4134

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

• Q4135

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

• Q4136

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

• Q4137

  Amnioexcel, amnioexcel plus or biodexcel, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4138

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

• Q4139

  Amniomatrix or biodmatrix, injectable, 1 cc

• Q4140

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

• Q4141

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

• Q4142

  Xcm biologic tissue matrix, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4143

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

• Q4145

  Epifix, injectable, 1 mg

• Q4146

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

• Q4147

  Architect, architect px, or architect fx, extracellular matrix, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4148

  Neox cord 1k, neox cord rt, or clarix cord 1k, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4149

  Excellagen, 0.1 cc

• Q4150

  Allowrap ds or dry, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4151

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

• Q4152

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

• Q4153

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

• Q4154

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

• Q4155

  Neoxflo or clarixflo, 1 mg

• Q4156

  Neox 100 or clarix 100, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4157

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

• Q4158

  Kerecis omega3, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4159

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

• Q4160

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

• Q4161

  Bio-connekt wound matrix, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4162

  Woundex flow, bioskin flow, 0.5 cc

• Q4163

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

• Q4164

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

• Q4165

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

• Q4166

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

• Q4167

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

• Q4168

  Amnioband, 1 mg

• Q4169

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

• Q4170

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

• Q4171

  Interfyl, 1 mg

• Q4172

  Puraply or puraply am, per square centimeter

• Q4173

  Palingen or palingen xplus, per square centimeter (add-on, list separately in addition to primary procedure)

• Q4174

  Palingen or promatrx, 0.36 mg per 0.25 cc

• Q4175

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

• Q4176

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

• Q4177

  Floweramnioflo, 0.1 cc

• Q4178

  Floweramniopatch, 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 7/21/2026

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