Paring/cutg b9 hyprker les 1
CPT 11055 covers the removal of a single callus or corn by shaving or cutting away the thickened skin. This is a common office procedure for painful hardened skin on feet or hands.
RVU breakdown
Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High
Billing tips
Verify place of service code accuracy—POS 11 (office) yields $67.93 while POS 22 (hospital outpatient) yields only $14.88
Impact: Incorrect POS coding costs $53.05 per procedure (78% revenue loss); this is one of the largest facility vs non-facility differentials in integumentary codes
Bill 11056 instead of 11055 when paring 2-4 lesions (pays approximately $85-90), not multiple units of 11055
Impact: Medicare will deny multiple units of 11055; using correct code 11056 for 2-4 lesions increases payment by $17-22 compared to single lesion
Document the exact lesion location, size, and medical necessity (pain, ambulation difficulty, or infection risk) to support Class findings for diabetic patients
Impact: Missing Class A or Class B findings documentation results in denial of 100% of payment ($67.93 loss); Medicare requires specific notation of systemic conditions
Never bill 11055 for routine nail trimming or general foot care—this requires different codes and has different coverage criteria
Impact: Incorrect code selection leads to denial and potential fraud allegations; routine foot care is non-covered for most Medicare patients without qualifying conditions
Append modifier 25 when performed same-day as E/M for diabetic foot exam, but ensure E/M documentation supports separately identifiable service
Impact: Proper modifier 25 use captures additional $100-200 for E/M service; improper use triggers audit with potential recoupment of all payment
For commercial payers, verify if prior authorization is required for hyperkeratotic lesion treatment in diabetic patients
Impact: Lack of prior authorization can result in 100% denial even with perfect documentation; some managed care plans require pre-approval for routine foot care codes
Common denials
Medical necessity not established—routine foot care not covered without qualifying systemic condition
How to appeal: Submit appeal with documentation of Class A findings (non-traumatic amputation, peripheral vascular disease, neuropathy) or Class B findings (abnormal arterial pulses, claudication, etc.). Include relevant ICD-10 codes like E11.621 (diabetic foot ulcer) or I70.261 (atherosclerosis with gangrene). Reference LCD L33623 or applicable local coverage determination.
Bundled/inclusive service—denied as part of E/M visit on same date of service
How to appeal: Resubmit claim with modifier 25 attached to E/M code. Provide documentation showing the E/M service was separately identifiable and addressed issues beyond the lesion paring (e.g., comprehensive diabetic foot exam, medication management). Highlight distinct documentation in separate paragraphs or sections of the note.
Incorrect units billed—multiple units of 11055 submitted instead of 11056 or 11057
How to appeal: Submit corrected claim using appropriate code: 11056 for 2-4 lesions or 11057 for >4 lesions. Include statement acknowledging coding error and requesting claims adjustment. Note that appeal should be filed as corrected claim, not standard appeal, within timely filing limits.
Non-covered service for patient's benefit plan—cosmetic or routine foot care exclusion
How to appeal: If service was truly medically necessary, provide documentation of painful symptomatic lesion affecting ambulation or risk of infection. Include photos if available. Request review under medical necessity provisions. If patient has neuropathy or vascular disease, emphasize preventive care necessity. Consider patient responsibility if appeal unsuccessful.
Frequently asked questions
What is the Medicare reimbursement for CPT code 11055 in 2025?
The 2025 Medicare national average reimbursement for CPT 11055 is $67.93 in non-facility settings (office) and $14.88 in facility settings (hospital outpatient department). The rate is based on 2.1 total RVUs multiplied by the 2025 conversion factor of 32.3465. Actual payment may vary by geographic location due to locality adjustments.
Can you bill multiple units of CPT 11055 for removing several corns?
No, you cannot bill multiple units of 11055. For 2-4 lesions, use CPT 11056 instead. For more than 4 lesions, use CPT 11057. Medicare and most commercial payers will deny claims with multiple units of 11055 as these are designated as different procedures based on lesion count, not separately billable units.
What diagnosis codes support medical necessity for CPT 11055?
Common supporting ICD-10 codes include L84 (corns and callosities), M20.5X (other deformities of toe), M21.6X (other acquired deformities of foot), E11.621 (Type 2 diabetes with foot ulcer), and I70.261 (atherosclerosis with gangrene). For Medicare coverage, patients typically need documented Class A or Class B findings such as neuropathy, peripheral vascular disease, or history of amputation.
Is CPT 11055 covered for diabetic patients on Medicare?
Yes, but only when specific systemic conditions are present and documented. Patients must have Class A findings (non-traumatic amputation, peripheral vascular disease, diabetic neuropathy) or Class B findings (abnormal arterial pulses, decreased sensation, foot deformity). Without qualifying conditions, routine foot care including corn/callus removal is not covered by Medicare.
What modifier should I use when billing 11055 with an E/M visit?
Use modifier 25 on the E/M code (not on 11055) when the evaluation and management service is separately identifiable from the paring procedure. Documentation must clearly show the E/M addressed distinct issues beyond the lesion treatment, such as comprehensive diabetic management, medication review, or evaluation of other conditions. Both services must be medically necessary and separately documented.
How many RVUs is CPT code 11055 worth in 2025?
CPT 11055 has a total of 2.1 RVUs in 2025, comprised of 0.35 work RVUs, 1.72 practice expense RVUs (non-facility), 0.08 practice expense RVUs (facility), and 0.03 malpractice RVUs. The high practice expense RVU differential between facility and non-facility settings accounts for the significant payment difference ($67.93 vs $14.88).
What is the difference between CPT 11055, 11056, and 11057?
The difference is based solely on the number of lesions treated: 11055 is for paring one hyperkeratotic lesion, 11056 is for paring 2-4 lesions, and 11057 is for paring more than 4 lesions. All involve the same technique (sharp debridement of benign hyperkeratotic tissue) but are coded differently based on quantity. You must use the appropriate code for the number treated, not multiple units of 11055.