CPT 15115Surgery

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CPT 15115 covers the application of epidermal skin grafts to the face, scalp, neck, hands, feet, genitals, or other areas up to 100 square centimeters—essentially transplanting the outermost layer of skin from one area of the body to repair wounds or burns.

Showing rates for

National Average

Base Medicare rate

$792.49

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

11.28

PE RVU (NF)

11.49

MP RVU

1.73

Total RVU

24.5

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Accurately measure and document the exact surface area in square centimeters of the recipient site; use standardized burn charts or grid measurement tools
Impact: Prevents downcoding and denials; difference between 15115 (first 100 sq cm at $792.49) and incorrect area calculation can affect whether add-on code 15116 is separately billable
Bill 15115 only for epidermal (not dermal or full-thickness) grafts; clearly document graft thickness in operative note
Impact: Prevents confusion with split-thickness codes 15100-15101 (different anatomic sites) or full-thickness codes 15200-15261; incorrect code selection can result in $200-400 payment variance
Separately bill add-on code 15116 for each additional 100 sq cm or part thereof beyond the initial area covered by 15115
Impact: 15116 reimburses at $112.39 non-facility per additional unit; failure to bill appropriate add-on codes can result in significant revenue loss on large grafts
When billing with debridement codes (11042-11047), use modifier 59 on the debridement if performed at a separate site or as a distinct service from the graft recipient site preparation
Impact: Prevents bundling denials that eliminate $150-300 in debridement reimbursement; most payers consider recipient site prep included in 15115
Document donor site location, harvesting method, and dressing separately; some payers allow separate billing of donor site care under certain circumstances
Impact: While donor site care is typically bundled, documentation supports medical necessity and may allow billing of complex dressings (15002-15005) if extensive donor site management required
Verify prior authorization requirements before scheduled procedure; many payers require pre-authorization for skin grafting procedures especially in outpatient settings

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Frequently asked questions

What is the difference between CPT 15115 and 15100 for skin grafting?

CPT 15115 is specifically for epidermal autografts to face, scalp, neck, hands, feet, and genitalia (critical anatomic areas), while 15100 covers split-thickness autografts to trunk, arms, and legs. The anatomic location determines the correct code, with 15115 reimbursing at $792.49 non-facility compared to 15100's different rate structure.

How much does Medicare pay for CPT code 15115 in 2025?

Medicare pays $792.49 for CPT 15115 in non-facility settings and $684.78 in facility settings for 2025, based on the national average using the conversion factor of 32.3465. Actual payment may vary by geographic locality and carrier-specific adjustments.

Can I bill CPT 15115 and 15116 together?

Yes, 15116 is an add-on code specifically designed to be billed with 15115 for each additional 100 square centimeters (or part thereof) beyond the first 100 sq cm covered by 15115. The add-on code 15116 cannot be billed alone and requires 15115 as the primary procedure code.

What modifiers are commonly used with CPT 15115?

Common modifiers for 15115 include modifier 22 (increased procedural services), 50 (bilateral procedure), 58 (staged procedure during postoperative period), 78 (return to OR for complications), and 59 (distinct procedural service to prevent bundling with debridement codes). Modifier selection depends on specific clinical circumstances.

Is CPT 15115 covered by Medicare for diabetic foot ulcers?

Medicare may cover 15115 for diabetic foot ulcers when medically necessary and conservative treatments have failed, but requires extensive documentation of wound measurements, failed alternative therapies, infection control, and adequate vascular supply. Prior authorization is typically required, and coverage determinations vary by MAC jurisdiction.

What documentation is required to bill CPT 15115 without denial?

Required documentation includes precise anatomic location, exact surface area measurement in square centimeters, confirmation of epidermal graft type, donor site location, harvesting technique, medical necessity justification, recipient site preparation details, and wound etiology. Operative reports must clearly distinguish epidermal grafts from other graft types and document all components separately.

How many RVUs is CPT code 15115 worth in 2025?

CPT 15115 has 24.5 total RVUs in 2025, consisting of 11.28 work RVUs, 11.49 non-facility practice expense RVUs (8.16 facility PE RVUs), and 1.73 malpractice RVUs. This makes it a high-value procedure code reflecting the technical complexity and physician work involved.