CPT 11057Surgery

Parng/cutg b9 hyprkr les >4

CPT code 11057 is used when a healthcare provider trims or shaves away five or more areas of thickened, hardened skin (calluses or corns), typically on the feet. This is a common procedure for patients with diabetes, circulation problems, or chronic foot conditions.

Showing rates for

National Average

Base Medicare rate

$86.04

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

0.65

PE RVU (NF)

1.97

MP RVU

0.04

Total RVU

2.66

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

NCCI bundling edits

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Billing tips

Always count and document the exact number of lesions treated; if fewer than 5 lesions, use 11056 (2-4 lesions) or 11055 (single lesion) instead
Impact: Incorrect code selection can result in $20-40 overpayment or underpayment per encounter; upcoding audits target providers who consistently bill 11057
Document Class A, B, or C findings in the medical record for Medicare patients to justify medical necessity using Q7, Q8, or Q9 modifiers
Impact: Missing qualifying systemic conditions results in 100% denial ($86.04 loss); proper documentation with Q modifiers ensures payment
Be aware of setting-specific reimbursement: non-facility rate is $86.04 vs facility rate of $27.17—a $58.87 difference per encounter
Impact: Performing procedures in office setting yields 217% higher reimbursement; evaluate practice patterns if frequently billing in facility settings
Do not bill 11057 with nail debridement codes (11720, 11721) if the only qualifying condition is mycotic nails; this constitutes routine foot care
Impact: Bundling violations can trigger recoupment of $86.04 plus potential fraud investigation; ensure separate qualifying diagnoses exist
When billing with modifier 25 for same-day E/M, ensure documentation clearly shows the E/M service was significant and separately identifiable from the lesion removal
Impact: Lack of separate documentation triggers modifier 25 audits with potential denial of E/M service worth $75-200 depending on level
Verify frequency limitations with individual payers; many Medicare contractors limit coverage to once every 60-90 days unless acute symptoms documented

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Frequently asked questions

What is the Medicare reimbursement rate for CPT code 11057 in 2025?

The 2025 Medicare national average reimbursement for CPT 11057 is $86.04 for non-facility settings and $27.17 for facility settings. The non-facility rate applies when performed in a physician's office or clinic, while the facility rate applies in hospital outpatient departments or ambulatory surgical centers where the facility receives separate payment for overhead costs.

What is the difference between CPT codes 11055, 11056, and 11057?

These codes differ based on the number of hyperkeratotic lesions treated: 11055 covers a single lesion, 11056 covers 2-4 lesions, and 11057 covers 5 or more lesions. All three codes describe the same procedure (paring or cutting of benign hyperkeratotic lesions), but you must select the code that matches the exact number of lesions documented and treated during the encounter.

Can I bill an E/M code with CPT 11057 on the same day?

Yes, you can bill an E/M service with 11057 on the same day using modifier 25 on the E/M code, but only if the E/M service is significant, separately identifiable, and goes beyond the typical evaluation included in the procedure. Documentation must clearly show distinct history, examination, and medical decision-making separate from the decision to perform debridement and the procedure itself.

What Class findings qualify for Medicare coverage of routine foot care with code 11057?

Class A findings include diabetes mellitus with peripheral neuropathy or peripheral arterial disease. Class B findings include absence of posterior tibial pulse, advanced trophic changes (hair loss, nail dystrophy, skin atrophy), or absence of dorsalis pedis pulse. Class C findings include claudication, temperature changes, edema, or burning/tingling sensations. Medicare requires one Class A finding, or two Class B findings, or one Class B and two Class C findings for coverage.

How often can CPT 11057 be billed to Medicare?

Medicare typically covers hyperkeratotic lesion debridement (11057) once every 60-90 days when medical necessity is documented, though specific frequency limitations vary by local Medicare Administrative Contractor (MAC). More frequent treatment requires documentation of acute medical necessity such as rapid lesion recurrence, ulceration risk, infection, or significant functional impairment. Always verify your local MAC's specific coverage policy.

What are the RVU values for CPT code 11057 in 2025?

For 2025, CPT 11057 has a work RVU of 0.65, non-facility practice expense RVU of 1.97, facility practice expense RVU of 0.15, and malpractice RVU of 0.04, for a total non-facility RVU of 2.66. These values are multiplied by the 2025 conversion factor of 32.3465 to determine Medicare payment rates.

Do I need to use modifier Q7, Q8, or Q9 when billing CPT 11057 for diabetic patients?

Yes, when billing 11057 to Medicare for routine foot care, you must append the appropriate Q modifier (Q7, Q8, or Q9) based on the documented Class findings to establish medical necessity. Without the proper Q modifier and supporting documentation of systemic conditions, Medicare will deny the claim as routine foot care that does not meet coverage criteria. The specific modifier depends on which combination of Class A, B, and C findings are documented.