Summary & Overview
CPT 15102: Skin Substitute Graft Application, Trunk/Arms/Legs
Headline: New Reference — CPT 15102 Guides Billing for Skin Substitute Grafts in Ambulatory Surgical Settings
Lead: CPT 15102 designates the application of a skin substitute graft to the trunk, arms, or legs for wounds with a total surface area of 100 square centimeters or less, with add-on reporting for each additional 100 sq cm or part thereof. The code is used in outpatient surgical care, commonly billed in ambulatory hospital settings.
CPT 15102 matters nationally because skin substitute therapies are increasingly used for complex wounds, chronic ulcers, and post-surgical defects where biologic or synthetic grafts support healing. Accurate coding impacts clinical documentation, payer adjudication, and resource planning for outpatient surgical services. This publication focuses on coding context and payer considerations rather than clinical guidance.
Key payers covered include Blue Cross Blue Shield. Readers will find an explanation of the code’s clinical and billing scope, common billing modifiers and related procedural codes (for context), and the typical outpatient hospital site of service. The piece clarifies the code’s role as a primary procedure with potential add-on units for larger treated areas and outlines relevant ICD-10 diagnosis contexts commonly associated with use of skin substitute grafts.
What readers will learn: concise benchmarks for when CPT 15102 is applied, how it relates to adjacent CPT codes used for skin substitute placement and recipient site preparation, typical service settings, and common billing modifiers that appear with this procedure. Data not available in the input for service line specifics is noted where applicable.
CPT Code Overview
CPT 15102 describes the application of a skin substitute graft to the trunk, arms, or legs for a total wound surface area of 100 square centimeters or less. The code also establishes that an additional unit may be reported for each additional 100 square centimeters, or part thereof, when the treated area exceeds the initial 100 sq cm.
Service type: Surgery
Typical site of service: Outpatient Hospital (POS 22)
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult with a chronic or acute full-thickness skin defect on the trunk, arm, or leg requiring application of a biologic or synthetic skin substitute. The patient presents to an outpatient hospital clinic (POS 22) after wound assessment by a surgeon or wound care specialist for a wound measuring 100 square centimeters or less. The clinical workflow includes wound bed preparation (debridement or excision if needed), selection and sizing of the skin substitute graft material, application of the graft to the recipient site, securement and dressing, and postprocedure instructions with planned outpatient follow-up for dressing changes and wound assessment. Documentation includes wound measurements, indication for grafting, description of graft material, total wound surface area treated, and any concurrent procedures.
Coding Specifications
-
Modifier
59— Distinct Procedural ServiceUse when the application of a skin substitute (
15102) is a distinct service from another procedure performed at the same encounter and documentation supports separate, distinct procedural work. -
Modifier
76— Repeat Procedure or Service by Same Physician or Other Qualified Health Care ProfessionalUse when the same procedure (
15102) is repeated by the same clinician during the same postoperative period or during a separate session and medical record documents the repetition. -
Associated provider taxonomies and specialties
| Taxonomy Code | Specialty |
|---|---|
208600000X | Surgery Physician |
208800000X | Plastic Surgery Physician |
207XS0117X | Surgical Oncology Physician |
Related Diagnoses
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L97.909— Non-pressure chronic ulcer of unspecified part of unspecified lower leg with unspecified severityRelevant as a chronic lower-extremity ulcer that may require application of a skin substitute for wound closure or to promote healing.
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T81.31XA— Disruption of external operation (surgical) wound, not elsewhere classified, initial encounterRelevant when a postoperative wound dehiscence is treated with a skin substitute to manage the disrupted wound bed.
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S81.801A— Unspecified open wound, right lower leg, initial encounterRelevant as an acute open wound presentation on the lower leg that may receive a skin substitute application after appropriate preparation.
-
L89.309— Pressure ulcer of unspecified buttock, stage 1Relevant as a pressure-related skin injury on the buttock that could progress and be treated with skin substitute grafting in appropriate clinical contexts.
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L89.899— Pressure ulcer of other site, unspecified stageRelevant for pressure ulcers at other anatomic sites that may be indications for skin substitute application depending on wound characteristics.
Related CPT Codes
| CPT Code | Description | Relationship to 15102 |
|---|---|---|
15002 | Surgical preparation or creation of recipient site by excision of open wounds, burn eschar, or scar | Often performed prior to application of a skin substitute when debridement or excision is required to prepare the wound bed; may be billed separately when documented. |
15100 | Application of skin substitute graft to trunk, arms, legs, total wound surface area up to 100 sq cm | Alternative code for application of a skin substitute to similar anatomic sites; use the code whose descriptor and pricing best match the product and service documented. |
15271 | Application of skin substitute graft to trunk, arms, legs, total wound surface area up to 100 sq cm | Related application code for skin substitute products; selection depends on the specific graft material and payer coding guidelines. |
15273 | Application of skin substitute graft to trunk, arms, legs, total wound surface area 100 sq cm or less; each additional 100 sq cm, or part thereof | Used to report additional increments of treated area when the total wound surface area exceeds the base unit associated with the primary procedure; may be reported in addition to the primary code when documentation supports additional 100 sq cm units. |
Common pairings: 15002 may precede 15102 when recipient site preparation is required. 15273 is used in conjunction with primary application codes when additional area units are treated. 15100 and 15271 are alternative application codes depending on graft product and payer-specific guidance.
National Reimbursement Benchmarks
National commercial averages for Blue Cross Blue Shield and BUCA are effectively identical, with BUCA (average commercial) mean rate at $80.02 and Blue Cross Blue Shield mean rate at $80.02. Medicare rates are not provided in the input.
Rate dispersion is minimal for the payers with data: the 25th, 50th, and 75th percentiles for both Blue Cross Blue Shield and BUCA are $80.00, $80.00, and $80.00 respectively, indicating no measurable spread (P75–P25 = $0.00). Payers without reported values in the input have Data not available in the input.
The table and chart below present the full breakdown of national mean rates and percentile values for the available payers.
State Benchmarks
State: AK1 / 46
Alaska Benchmarks
For CPT 15102, Alaska's reimbursement rates from Blue Cross Blue Shield and BUCA are tightly clustered, with a 75th minus 25th percentile spread of $0.00. This indicates no variation in rates across providers for these payers. The mean rate in Alaska is $80.82, which is marginally higher than the national mean rate of $80.02.
The table and chart below present the full breakdown of payer-specific rates for Alaska, highlighting the uniformity in reimbursement across both Blue Cross Blue Shield and BUCA. No other payers have available data for this state and code combination.
Key Insights for Alaska
- Blue Cross Blue Shield and BUCA both offer identical mean rates for CPT
15102in Alaska, at $80.82. - No payer in Alaska pays above or below the mean; all percentiles are flat at $80.00.
- Alaska's mean rates are slightly higher than the national average by $0.79.
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.