Q4290 Membrane Wrap - HCPCS Reimbursement | OpenPayer

Summary & Overview

HCPCS Q4290: Membrane Wrap-Hydro, per Square Centimeter

HCPCS Level II code Q4290 denotes a membrane wrap-hydro product billed per square centimeter as an add-on supply in addition to a primary procedure. This code captures the use of hydrogel or hydro-based membrane wraps commonly applied during surgical procedures or in advanced wound care to protect tissues, support healing, or deliver local therapy. Nationally, accurate reporting of add-on supply codes like Q4290 affects procedure-level costing, payer adjudication, and data on the utilization of advanced wound management products.

Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context, coding scope, and billing considerations for add-on per-square-centimeter supplies. The publication highlights benchmarks and payment policy context where available, clarifies typical sites of service, and outlines what information is and is not available in the input data. The goal is to help coders, billing managers, and policy analysts understand the intended use of Q4290, how it relates to procedural billing, and what national payers commonly consider when processing add-on supply codes. Data not available in the input is noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareQ4290HCPCS Level IImembrane wrapwound careadd-on supplysurgical supplyper square centimeteroperating roomoutpatient wound care

Billing Code Overview

HCPCS Level II code Q4290 describes a membrane wrap-hydro product billed per square centimeter as an add-on, list separately in addition to primary procedure. The code is used to report the supply of a hydrogel or hydro-based membrane wrap applied as part of a surgical or wound care procedure.

Service type: Supply for surgical wound management or intraoperative membrane placement

Typical site of service: Hospital operating room, ambulatory surgical center, or outpatient wound care clinic

Clinical & Coding Specifications

Clinical Context

A middle-aged patient presents to an outpatient wound clinic for management of a chronic, non-healing lower extremity ulcer following debridement. After wound bed preparation and hemostasis in a procedure room or outpatient operating suite, a sterile hydrogel-based biologic membrane wrap is measured and applied to the wound surface to provide a moist healing environment and to protect grafts or regenerative materials. The membrane wrap is applied per square centimeter as an add-on material billed with Q4290 in addition to the primary procedure (for example, debridement, skin grafting, or placement of a biologic scaffold). Typical sites of service include outpatient wound care centers, physician offices with procedure capability, ambulatory surgical centers, and hospital outpatient departments. The clinical workflow includes wound assessment, cleansing and debridement as indicated, measurement of the wound and membrane used (documented in cm2), application and fixation of the membrane, dressing placement, and post-procedure instructions. Documentation should support the primary procedure and show the square centimeters of membrane applied to justify Q4290 as an add-on supply charge.

Coding Specifications

Modifier	Description	When to Use
`22`	Increased procedural services	Use when work or complexity substantially exceeds typical for the primary procedure to which is appended.

HCPCS Q4270: Complete Skin Lesion Removal, Per Square Centimeter

HCPCS-Q4318-E-GRAFT-PER-SQUARE-CENTIMETER

HCPCS Q4318: E-graft, Per Square Centimeter

HCPCS-Q4222-PROGENAMATRIX-BIOLOGIC-MATRIX-PER-CM2

HCPCS Q4222: Progenamatrix, Biologic Matrix per Square Centimeter

HCPCS-Q2050-DOXORUBICIN-LIPOSOMAL-10MG-INJECTION

HCPCS Q2050: Doxorubicin Hydrochloride, Liposomal, 10 mg

HCPCS-Q9958-HIGH-OSMOLAR-CONTRAST-149-MGML-IODINE

HCPCS Q9958: High Osmolar Iodinated Contrast, up to 149 mg/ml

HCPCS-Q4397-SUMMIT-AAA-PER-SQUARE-CENTIMETER-ADD-ON

HCPCS Q4397: Summit aaa, Per Square Centimeter (Add-on)

HCPCS-Q0491-EMERGENCY-POWER-SOURCE-VENTRICULAR-ASSIST-DEVICE-REPLACEMENT

HCPCS Q0491: Emergency Power Source for Ventricular Assist Device, Replacement Only

HCPCS-Q2055-IDECABTAGENE-VICLEUCEL-BCMA-CAR-T-THERAPY

HCPCS Q2055: Idecabtagene Vicleucel, BCMA-Directed CAR-T Therapy

HCPCS-Q9987-PLATELET-PATHOGEN-TESTING

HCPCS Level II Q9987: Platelet Pathogen Testing

HCPCS-Q5104-INFLIXIMAB-ABDA-RENFLEXIS-10MG-INFUSION

HCPCS Q5104: Infliximab-abda (Renflexis), 10 mg injection

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Q4290

Taxonomy Code	Specialty	Notes
`207R00000X`	Dermatology	Dermatologists perform wound debridement and biologic membrane applications for complex skin defects and ulcers.
`207P00000X`	Plastic Surgery	Plastic surgeons apply membranes during reconstructive procedures and skin grafting.
`208000000X`	General Surgery	General surgeons manage complex soft tissue wounds and may use membrane wraps as adjuncts in the OR.
`208D00000X`	Vascular Surgery	Vascular surgeons treating ischemic ulcers may use membrane products following revascularization or debridement.
`261QM0800X`	Wound Care / Hyperbaric Medicine	Wound care specialists frequently manage chronic wounds and apply advanced dressings and biologic membranes.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`L97.421`	Non-pressure chronic ulcer of right ankle with fat layer exposed	Chronic lower extremity ulcers commonly require debridement and application of advanced membranes to promote healing.
`L97.429`	Non-pressure chronic ulcer of right ankle with unspecified severity	General code representing chronic ulcers where membrane wraps may be used as adjunctive therapy.
`L97.924`	Non-pressure chronic ulcer of left ankle with fat layer exposed	Used for contralateral chronic ulcer scenarios treated with membrane application.
`I70.213`	Atherosclerosis of native arteries of extremities with rest pain, bilateral legs	Ischemic ulcers secondary to peripheral arterial disease often require advanced wound management including membrane covers after revascularization or debridement.
`T81.40XA`	Infection following a procedure, unspecified, initial encounter	Postoperative wound complications may necessitate additional operative interventions where membrane materials are applied.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`11042`	Debridement, subcutaneous tissue (includes epidermis and dermis if performed); first 20 sq cm or less	Common primary procedure before application of a membrane wrap for debridement of necrotic tissue.
`15002`	Placement of full-thickness skin graft; trunk, arms, legs; first 100 sq cm or less, or forehead, cheeks, chin, mouth, neck, ears	Used when membrane wrap is applied as adjunctive dressing over or beneath skin grafts.
`15271`	Tissue rearrangement, trunk; first 100 sq cm	Performed in reconstructive workflows where membrane wrap is used to support grafts or flaps.
`97602`	Removal of devitalized tissue from wound(s), selective debridement, without anesthesia; per session	Office-based selective debridement often precedes membrane application billed with `Q4290`.
`99070`	Supplies and materials (for example, sutures, drugs, dressings), provided by the physician over and above those usually included with the procedure	Historically used for billable supplies; `Q4290` specifically captures membrane wrap per cm2 as an HCPCS level II add-on instead of `99070`.
`15734`	Muscle, myocutaneous, or fasciocutaneous flap with microvascular anastomosis	Complex reconstructive procedure where membrane wraps may be used as protective or adjunctive materials.

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