HCPCS Level II code Q4102 designates the Oasis wound matrix billed per square centimeter as an add-on supply used in advanced wound care procedures. This code matters nationally because it standardizes reporting for a widely used biologic scaffold product that supports tissue regeneration in chronic and complex wounds. Accurate coding affects clinical documentation, supply cost tracking, and payer coverage determinations across multiple outpatient settings.

Key payers examined include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the code’s clinical purpose and typical sites of service, followed by benchmarking and policy context relevant to coverage and billing for add-on wound matrix supplies. The publication outlines common billing considerations, claim-line reporting expectations, and where to look for payer-specific coverage policies. It emphasizes documentation elements that support medical necessity for advanced wound therapies.

This resource is intended for billing managers, revenue cycle staff, clinical coders, and clinicians involved in wound care to clarify the code’s use, identify where to check payer policies, and understand implications for outpatient billing and reimbursement processes.