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CPT 97597: Selective Debridement of Devitalized Tissue, Wound ≤20 cm2
CPT code 97597 represents selective debridement of devitalized tissue from an open wound with treated surface area of 20 cm² or less. This code is used to capture clinician-performed removal of necrotic tissue using a range of techniques and may include topical agents, wound assessment, whirlpool therapy, and patient instructions. Accurate coding for debridement is important nationally because wound care is common, resource‑intensive, and a focus of quality and utilization oversight.
Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find national benchmarks for how this service is classified relative to related wound care codes, clarification on clinical context for appropriate use, and a summary of common billing relationships with adjacent codes used for larger wound areas or different debridement methods. The publication also outlines sites of service where 97597 is typically billed and contrasts it with closely related codes used for additional wound surface area or non‑selective techniques.
This summary is intended for clinicians, practice managers, coding professionals, and policy stakeholders seeking a concise reference on the clinical scope and payer landscape for selective debridement of small wound areas. Data not available in the input: specific utilization rates, payer-specific coverage rules, and reimbursement amounts.
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Billing Code Overview
CPT code 97597 describes selective excision of devitalized (dead) tissue from an open wound, using a variety of techniques. The service includes topical application of medicines or materials, wound assessment, whirlpool therapy when appropriate, and instructions for ongoing wound care. The coded procedure applies when the dimension of the treated wound surface area measures 20 cm² or less.
Service type: Wound debridement and active wound care management
Typical site of service: Outpatient wound care clinics, hospital outpatient departments, skilled nursing facilities, and other ambulatory care settings where wound debridement and dressings are performed.
National Reimbursement Benchmarks
Medicare’s mean rate of $105.6 for CPT 97597 sits between commercial BUCA’s mean of $173.1 and several national commercial payers, indicating Medicare pays closer to the middle of the market rather than the commercial average. Blue Cross Blue Shield’s mean ($242.9) and Aetna’s mean ($68.9) illustrate how commercial payers can cluster above or below Medicare, with BUCA representing a higher-than-Medicare commercial average by about $67.5.
Dispersion measured as the interquartile range (P75 − P25) varies noticeably: Blue Cross Blue Shield is the widest with a range of $121.5, reflecting substantial variability across contracts or regions, while Aetna and UnitedHealth Group are comparatively tight at ranges of $66.0 and $48.7 respectively. Cigna’s range is $66.8 and BUCA’s is $95.2, so the tightest payers are UnitedHealth Group and Aetna and the widest is Blue Cross Blue Shield.