Summary & Overview
HCPCS Level II Q4259: Celera Dual Membrane, Per Square Centimeter
HCPCS Level II code Q4259 designates the Celera dual layer or Celera dual membrane, billed per square centimeter as an add-on item in conjunction with a primary surgical procedure. Nationally, add-on supply codes like Q4259 matter because they affect total procedure cost, billing transparency, and coverage determinations for implantable membranes and surgical barrier products used in soft tissue repair.
Key payers addressed in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context for the product, common sites of use (operating room and surgical settings), and the payer landscape relevant to reimbursement and coverage policy. The publication outlines typical billing practice for add-on per-area supplies, identifies common modifiers used with add-on supply codes, and summarizes how major payers approach coverage and claims processing for similar implantable membranes.
The report is intended to inform billing professionals, revenue cycle staff, and policy analysts about where Q4259 fits in surgical service lines, what documentation and coding considerations are commonly relevant, and where to look for payer-specific guidance. Data not available in the input is noted where applicable.
Billing Code Overview
HCPCS Level II code Q4259 represents a Celera dual layer or Celera dual membrane, billed per square centimeter as an add-on supply reported separately in addition to a primary procedure. The service type is surgical implantable membrane/surgical wound dressing supply, typically used to support soft tissue repair or barrier function during surgical procedures. The typical site of service is the operating room or other inpatient/outpatient surgical setting where the primary procedure is performed.
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A patient with a chronic, non-healing soft-tissue wound undergoes surgical debridement and placement of a biologic wound matrix. The clinician selects Q4259 (Celera dual layer or Celera dual membrane, per square centimeter) as an add‑on supply to cover the application of a dual-layer biologic membrane placed over the prepared wound bed. Typical settings include outpatient wound care centers, ambulatory surgery centers, hospital outpatient departments, and inpatient operating rooms when complex wounds require operative management. The workflow commonly includes: wound assessment and debridement under local anesthesia or monitored sedation; measurement of the wound surface area to calculate product units billed per square centimeter; application and fixation of the Celera membrane to the wound bed; dressing and post-procedure wound care instructions; and scheduled follow-up for graft take assessment and dressing changes. Typical patients are adults with diabetic foot ulcers, venous stasis ulcers, pressure injuries, traumatic soft tissue defects, or surgical dehiscence where a biologic membrane is used to support tissue regeneration and wound closure. Relevant clinical documentation includes wound measurements, operative or procedure note describing placement of the membrane, product square centimeter quantity, primary procedure code(s), and any applicable modifier(s) to reflect circumstances such as multiple surgeons, unusual procedural services, or patient condition during the procedure.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 |