Summary & Overview
HCPCS Level II C5273: Low Cost Skin Substitute Graft Application, First 100 sq cm
HCPCS Level II code C5273 denotes the application of a low cost skin substitute graft to the trunk, arms, or legs for wounds with a total surface area ≥100 square centimeters, covering the first 100 sq cm (or 1% body area for infants and children). This code matters nationally as demand for skin substitutes grows with an aging population, rising chronic wounds, and expanded outpatient surgical care. Payers and providers use this code to categorize resource use and to align clinical documentation with coverage policies for graft materials and application procedures.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise review of clinical context for use of low cost skin substitutes, typical sites of service where applications occur, and the billing construct that distinguishes the first 100 sq cm of treated wound area. The publication also summarizes payer coverage themes and benchmarking considerations relevant to reimbursement and utilization management.
The piece provides practical reference material: a clear description of what C5273 represents, where it is typically billed, and what to expect in payer coverage posture at a national level. Data not available in the input is identified where applicable.
Billing Code Overview
HCPCS Level II code C5273 describes the application of a low cost skin substitute graft to the trunk, arms, or legs for a total wound surface area greater than or equal to 100 square centimeters. The code covers the first 100 sq cm of wound surface area, or 1% of body area for infants and children.
Service type: Skin substitute graft application.
Typical site of service: Hospital outpatient department, ambulatory surgical center, or physician office depending on clinical setting and wound severity.
Clinical & Coding Specifications
Clinical Context
A 62-year-old man with peripheral arterial disease and nonhealing full-thickness traumatic and surgical wounds to the anterior lower leg presents to an outpatient wound care clinic. After debridement and assessment, the wound bed is clean but lacks vascularized dermal tissue, and the total wound surface area on the trunk or extremity is measured at 150 square centimeters. The clinician selects a low-cost skin substitute graft product and documents informed consent. The procedure is performed in an ambulatory surgical center under local anesthesia with monitored anesthesia care as needed. The wound is irrigated, the low-cost skin substitute is trimmed to fit the measured defect, secured according to product instructions, and a nonadherent dressing and negative pressure or compression dressing are applied. Postoperative instructions and wound care follow-up are scheduled, including serial dressing changes, infection surveillance, and documentation of wound measurements to support subsequent graft applications or additional billing.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when work required is substantially greater than typical (extensive debridement, prolonged graft sizing/placement) with supporting documentation. |
23 |