Procedural Codes/Q4390

Q4390 HCPCS 2026 Code: Ascendion, per square centimeter (add-on, list separately in addition to primary procedure)

Q4390 is the authoritative medical code for Ascendion, per square centimeter (add-on, list separately in addition to primary procedure). This classification is used in medical billing and clinical recording to specify the clinical criteria for ascendion, per square centimeter (add-on, list separately in addition to primary procedure) (HCPCS Level II Q4390), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: Processed within HCPCS Level II standards. CMS regulatory guidelines apply.

Official Registry Overview & Definition

Ascendion, per square centimeter (add-on, list separately in addition to primary procedure) is a HCPCS Level II code Q4390 for a Medicare-covered supply, service, or procedure. Short description: Ascendion per sq cm.

Codes in This Family (40)

Official HCPCS Level II classifications in the same code family as Q4390, with their registry titles.

  • Q4300 — Acesso tl, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4301 — Activate matrix, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4302 — Complete aca, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4303 — Complete aa, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4304 — Grafix plus, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4305 — American amnion ac tri-layer, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4306 — American amnion ac, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4307 — American amnion, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4308 — Sanopellis, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4309 — Via matrix, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4310 — Procenta, per 100 mg
  • Q4311 — Acesso, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4312 — Acesso ac, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4313 — Dermabind fm, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4314 — Reeva ft, per square cenitmeter (add-on, list separately in addition to primary procedure)
  • Q4315 — Regenelink amniotic membrane allograft, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4316 — Amchoplast, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4317 — Vitograft, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4318 — E-graft, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4319 — Sanograft, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4320 — Pellograft, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4321 — Renograft, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4322 — Caregraft, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4323 — Alloply, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4324 — Amniotx, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4325 — Acapatch, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4326 — Woundplus, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4327 — Duoamnion, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4328 — Most, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4329 — Singlay, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4330 — Total, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4331 — Axolotl graft, per square centimeter (add-on, list separately in addition to primary procedure)
  • Q4332 — Axolotl dualgraft, per square centimeter (add-on, list separately in addition to primary procedure)
  • 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)

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

HCPCS Code Q4385 Apollo ft, per square centimeter (add-on, list separately in addition to primary procedure)
HCPCS Code Q4386 Acesso trifaca, per square centimeter (add-on, list separately in addition to primary procedure)
HCPCS Code Q4387 Neothelium ft, per square centimeter (add-on, list separately in addition to primary procedure)
HCPCS Code Q4388 Neothelium 4l, per square centimeter (add-on, list separately in addition to primary procedure)
HCPCS Code Q4389 Neothelium 4l+, per square centimeter (add-on, list separately in addition to primary procedure)
HCPCS Code Q4391 Amnioplast double, per square centimeter (add-on, list separately in addition to primary procedure)
HCPCS Code Q4392 Grafix duo, per square centimeter (add-on, list separately in addition to primary procedure)
HCPCS Code Q4393 Surgraft ac, per square centimeter (add-on, list separately in addition to primary procedure)
HCPCS Code Q4394 Surgraft aca, per square centimeter (add-on, list separately in addition to primary procedure)
HCPCS Code Q4395 Acelagraft, per square centimeter (add-on, list separately in addition to primary procedure)
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