CPT 15109: Skin Substitute Graft Application, Trunk/Arms/Legs - OpenPayer

Beta

OpenPayer Beta

Summary & Overview

CPT 15109: Skin Substitute Graft Application, Trunk/Arms/Legs

CPT 15109 covers the application of a skin substitute graft to the trunk, arms, or legs for large wound areas exceeding 100 square centimeters, billed as an add-on per additional 100 sq cm or part thereof. This surgical add-on code is relevant for clinicians and administrators managing care for extensive wounds, burns, or complex soft-tissue defects where biologic or synthetic skin substitutes are applied to augment closure and healing. Nationally, the code impacts coding accuracy, bundled billing, and outpatient surgical workflows where skin substitute products are used.

Key payers included in this overview are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, BUCA, and Medicare. The publication outlines payer coverage considerations, common billing practices, and clinical context for appropriate use. Readers will find benchmarking information on code utilization patterns, guidance on documentation elements needed to support reporting of additional graft area, and summaries of relevant related procedures and preparatory services. The content highlights implications for outpatient hospital settings and surgical teams involved in large-area grafting procedures. Data not available in the input will be noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareBUCAMedicareCPT15109skin substitute graftsurgeryoutpatient hospitalwound carebilling and codingsurgical add-ongraft area

CPT Code Overview

CPT 15109 describes the application of a skin substitute graft to the trunk, arms, or legs when the total wound surface area is greater than 100 square centimeters. The code is intended to be reported in addition to a primary procedure for each additional 100 square centimeters of wound surface area, or part thereof.

Service Type: Surgery

Typical Site of Service: Outpatient Hospital (POS 22)

Clinical & Coding Specifications

Clinical Context

A 62-year-old male with a chronic non-healing lower leg ulcer and prior surgical wound disruption presents to an outpatient hospital surgical clinic for reconstruction using a skin substitute graft. The wound measures approximately 220 square centimeters across the trunk or extremity region after surgical debridement and preparation of the recipient site. The clinical workflow includes preoperative wound assessment and photography, surgical preparation and debridement of nonviable tissue, creation of a well-vascularized recipient bed, application of the skin substitute graft to the defect, dressing and immobilization as indicated, and scheduled postoperative wound checks in the outpatient setting. Follow-up visits document graft take, wound healing progress, and management of any complications.

Coding Specifications

Modifier 59 — Distinct Procedural Service

Use when a procedure or service is distinct or independent from other services performed on the same day; applied when the documentation supports separate surgical or procedural approaches not normally reported together.
Modifier 76 — Repeat Procedure or Service by Same Physician or Other Qualified Health Care Professional

Use when the same procedure is repeated subsequent to the original on the same day by the same practitioner; documentation must support the reason for the repeat service.
Associated Provider Taxonomies

National Reimbursement Benchmarks

Blue Cross Blue Shield and the BUCA national averages align precisely at a mean rate of $80.02 for CPT 15109, while Medicare value is not provided in the input. The comparison indicates parity between the commercial BUCA aggregate and Blue Cross Blue Shield at the national level.

Dispersion across available payers is effectively zero for the payers with data: the 25th, 50th, and 75th percentiles are all $80.00 for both Blue Cross Blue Shield and BUCA, indicating the tightest possible spread. For payers without provided values, Data not available in the input. The table and chart below present the full breakdown.

State Benchmarks

State: AK1 / 46

Alaska Benchmarks

For CPT code 15109, Alaska's reimbursement rates from Blue Cross Blue Shield and BUCA show no variation, with the 25th, 50th, and 75th percentiles all at $80.00. This results in a rate spread of $0.00, indicating uniformity in payment levels across these payers. The mean rate for both payers is $80.82, which is slightly above the national mean rate of $80.02.

The table and chart below present the full breakdown of payer-specific rates for Alaska, highlighting the lack of rate spread and the close alignment with national benchmarks for this procedure code.

Key Insights for Alaska

Blue Cross Blue Shield and BUCA are tied as the highest and lowest paying payers for CPT 15109 in Alaska, both at $80.82.
There is no rate spread in Alaska; the 25th, 50th, and 75th percentiles are all $80.00 for both payers.
Alaska's mean rates for CPT 15109 are slightly higher than the national average by $0.79.

Related Codes

15004

CPT 15004: Surgical Preparation for Skin Replacement in Pediatric Patients

15107

CPT 15107: Skin Substitute Graft Application to Trunk/Extremities

16032

CPT 16032: Dressings and Debridement for Small Partial-Thickness Burns

16022

CPT 16022: Dressings and Debridement for Small Partial-Thickness Burns

16028

CPT 16028: Dressings and Debridement for Small Partial-Thickness Burns

15005

CPT 15005: Surgical Preparation for Skin Replacement Surgery

16025

CPT 16025: Dressings and Debridement for Medium Partial-Thickness Burns

15117

CPT 15117: Skin Substitute Graft Application to Trunk, Arms, or Legs

15106

CPT 15106: Split-Thickness Autograft for Face/Head/Neck, ≤100 sq cm

16026

CPT 16026: Dressings and Debridement for Small Partial-Thickness Burns

Showing 1–10 of 42

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Free Report

See how your rates compare to the market.

Get a free custom competitive market analysis.