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
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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