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Official Description

Paring or cutting of benign hyperkeratotic lesion (eg, corn or callus); more than 4 lesions

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

A benign hyperkeratotic lesion, such as a corn or callus, is characterized by an area of thickened skin that develops as a response to friction, pressure, or irritation. Corns are typically smaller, localized areas of thickened skin that often form on the toes, while calluses are larger, more diffuse areas of thickened skin that can develop on the soles of the feet or other areas subjected to repeated stress. These lesions can cause discomfort or pain, particularly when they press against underlying tissues. The procedure described by CPT® Code 11057 involves the paring or cutting of these lesions when they exceed four in number. This technique is performed using a scalpel to carefully trim down the thickened skin, alleviating pressure and discomfort for the patient. It is important to note that for the removal of a single lesion, CPT® Code 11055 should be used, and for the removal of two to four lesions, CPT® Code 11056 is appropriate. CPT® Code 11057 is specifically designated for cases involving more than four lesions, ensuring accurate coding and billing for the procedure performed.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure described by CPT® Code 11057 is indicated for the removal of benign hyperkeratotic lesions, specifically when there are more than four lesions present. These lesions can include:

  • Corns - Small, localized areas of thickened skin that often develop on the toes due to friction or pressure.
  • Calluses - Larger areas of thickened skin that form on the soles of the feet or other areas subjected to repeated stress or irritation.
  • Painful lesions - Lesions that press on underlying tissues, causing discomfort or pain, necessitating their removal for relief.

2. Procedure

The procedure for paring or cutting benign hyperkeratotic lesions involves several key steps, which are detailed as follows:

  • Step 1: Patient Preparation - The patient is positioned comfortably to allow easy access to the affected areas. The skin surrounding the lesions is cleaned to reduce the risk of infection.
  • Step 2: Anesthesia (if necessary) - Local anesthesia may be administered to minimize discomfort during the procedure, particularly if the lesions are sensitive or painful.
  • Step 3: Identification of Lesions - The healthcare provider identifies the lesions that require treatment, ensuring that all lesions are accounted for, especially when there are more than four.
  • Step 4: Paring or Cutting - Using a scalpel, the provider carefully pares down or cuts the thickened skin of each lesion. This step is performed with precision to avoid damaging surrounding healthy tissue.
  • Step 5: Post-Procedure Care - After the lesions have been removed, the area may be cleaned again, and a dressing may be applied to protect the site from infection and promote healing.

3. Post-Procedure

Post-procedure care involves monitoring the treated areas for any signs of infection or complications. Patients are typically advised to keep the area clean and dry, and to follow any specific instructions provided by the healthcare provider regarding dressing changes and activity restrictions. Recovery time may vary depending on the individual and the extent of the procedure, but patients can generally expect to resume normal activities shortly after the procedure, barring any complications. Follow-up appointments may be scheduled to assess healing and ensure that the lesions have been adequately addressed.

Short Descr PARNG/CUTG B9 HYPRKR LES >4
Medium Descr PARING/CUTTING BENIGN HYPERKERATOTIC LESION >4
Long Descr Paring or cutting of benign hyperkeratotic lesion (eg, corn or callus); more than 4 lesions
Status Code Restricted Coverage
Global Days 000 - Endoscopic or Minor Procedure
PC/TC Indicator (26, TC) 0 - Physician Service Code
Multiple Procedures (51) 2 - Standard payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50) 0 - 150% payment adjustment for bilateral procedures does NOT apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 1 - Statutory payment restriction for assistants at surgery applies to this procedure...
Co-Surgeons (62) 0 - Co-surgeons not permitted for this procedure.
Team Surgery (66) 0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Procedure or Service, Multiple Reduction Applies
ASC Payment Indicator Office-based surgical procedure added to ASC list in CY 2008 or later with MPFS nonfacility PE RVUs; payment based on MPFS nonfacility PE RVUs.
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P5A - Ambulatory procedures - skin
MUE 1
CCS Clinical Classification 170 - Excision of skin lesion
Q8 Two class b findings
Q9 One class b and two class c findings
59 Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
51 Multiple procedures: when multiple procedures, other than e/m services, physical medicine and rehabilitation services or provision of supplies (eg, vaccines), are performed at the same session by the same individual, the primary procedure or service may be reported as listed. the additional procedure(s) or service(s) may be identified by appending modifier 51 to the additional procedure or service code(s). note: this modifier should not be appended to designated "add-on" codes (see appendix d).
Q7 One class a finding
GW Service not related to the hospice patient's terminal condition
GY Item or service statutorily excluded, does not meet the definition of any medicare benefit or, for non-medicare insurers, is not a contract benefit
GA Waiver of liability statement issued as required by payer policy, individual case
RT Right side (used to identify procedures performed on the right side of the body)
LT Left side (used to identify procedures performed on the left side of the body)
79 Unrelated procedure or service by the same physician or other qualified health care professional during the postoperative period: the individual may need to indicate that the performance of a procedure or service during the postoperative period was unrelated to the original procedure. this circumstance may be reported by using modifier 79. (for repeat procedures on the same day, see modifier 76.)
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
X4 Episodic/focused services: for reporting services by clinicians who provide focused care on particular types of treatment limited to a defined period and circumstance; the patient has a problem, acute or chronic, that will be treated with surgery, radiation, or some other type of generally time-limited intervention; reporting clinician service examples include but are not limited to, the orthopedic surgeon performing a knee replacement and seeing the patient through the postoperative period
GV Attending physician not employed or paid under arrangement by the patient's hospice provider
GZ Item or service expected to be denied as not reasonable and necessary
Q6 Service furnished under a fee-for-time compensation arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area
KX Requirements specified in the medical policy have been met
T1 Left foot, second digit
T4 Left foot, fifth digit
TA Left foot, great toe
X2 Continuous/focused services: for reporting services by clinicians whose expertise is needed for the ongoing management of a chronic disease or a condition that needs to be managed and followed with no planned endpoint to the relationship; reporting clinician service examples include but are not limited to: a rheumatologist taking care of the patient's rheumatoid arthritis longitudinally but not providing general primary care services
22 Increased procedural services: when the work required to provide a service is substantially greater than typically required, it may be identified by adding modifier 22 to the usual procedure code. documentation must support the substantial additional work and the reason for the additional work (ie, increased intensity, time, technical difficulty of procedure, severity of patient's condition, physical and mental effort required). note: this modifier should not be appended to an e/m service.
47 Anesthesia by surgeon: regional or general anesthesia provided by the surgeon may be reported by adding modifier 47 to the basic service. (this does not include local anesthesia.) note: modifier 47 would not be used as a modifier for the anesthesia procedures.
53 Discontinued procedure: under certain circumstances, the physician or other qualified health care professional may elect to terminate a surgical or diagnostic procedure. due to extenuating circumstances or those that threaten the well being of the patient, it may be necessary to indicate that a surgical or diagnostic procedure was started but discontinued. this circumstance may be reported by adding modifier 53 to the code reported by the individual for the discontinued procedure. note: this modifier is not used to report the elective cancellation of a procedure prior to the patient's anesthesia induction and/or surgical preparation in the operating suite. for outpatient hospital/ambulatory surgery center (asc) reporting of a previously scheduled procedure/service that is partially reduced or cancelled as a result of extenuating circumstances or those that threaten the well being of the patient prior to or after administration of anesthesia, see modifiers 73 and 74 (see modifiers approved for asc hospital outpatient use).
56 Preoperative management only: when 1 physician or other qualified health care professional performed the preoperative care and evaluation and another performed the surgical procedure, the preoperative component may be identified by adding modifier 56 to the usual procedure number.
58 Staged or related procedure or service by the same physician or other qualified health care professional during the postoperative period: it may be necessary to indicate that the performance of a procedure or service during the postoperative period was: (a) planned or anticipated (staged); (b) more extensive than the original procedure; or (c) for therapy following a surgical procedure. this circumstance may be reported by adding modifier 58 to the staged or related procedure. note: for treatment of a problem that requires a return to the operating/procedure room (eg, unanticipated clinical condition), see modifier 78.
77 Repeat procedure by another physician or other qualified health care professional: it may be necessary to indicate that a basic procedure or service was repeated by another physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 77 to the repeated procedure or service. note: this modifier should not be appended to an e/m service.
78 Unplanned return to the operating/procedure room by the same physician or other qualified health care professional following initial procedure for a related procedure during the postoperative period: it may be necessary to indicate that another procedure was performed during the postoperative period of the initial procedure (unplanned procedure following initial procedure). when this procedure is related to the first, and requires the use of an operating/procedure room, it may be reported by adding modifier 78 to the related procedure. (for repeat procedures, see modifier 76.)
80 Assistant surgeon: surgical assistant services may be identified by adding modifier 80 to the usual procedure number(s).
99 Multiple modifiers: under certain circumstances 2 or more modifiers may be necessary to completely delineate a service. in such situations modifier 99 should be added to the basic procedure, and other applicable modifiers may be listed as part of the description of the service.
AG Primary physician
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
CC Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed)
CG Policy criteria applied
CR Catastrophe/disaster related
GC This service has been performed in part by a resident under the direction of a teaching physician
GX Notice of liability issued, voluntary under payer policy
PO Excepted service provided at an off-campus, outpatient, provider-based department of a hospital
Q0 Investigational clinical service provided in a clinical research study that is in an approved clinical research study
Q5 Service furnished under a reciprocal billing arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area
QA Prescribed amounts of stationary oxygen for daytime use while at rest and nighttime use differ and the average of the two amounts is less than 1 liter per minute (lpm)
QB Prescribed amounts of stationary oxygen for daytime use while at rest and nighttime use differ and the average of the two amounts exceeds 4 liters per minute (lpm) and portable oxygen is prescribed
QJ Services/items provided to a prisoner or patient in state or local custody, however the state or local government, as applicable, meets the requirements in 42 cfr 411.4 (b)
T2 Left foot, third digit
T3 Left foot, fourth digit
T5 Right foot, great toe
T6 Right foot, second digit
T7 Right foot, third digit
T8 Right foot, fourth digit
T9 Right foot, fifth digit
XE Separate encounter, a service that is distinct because it occurred during a separate encounter
Date
Action
Notes
2024-01-01 Changed Short Description changed.
2011-01-01 Changed Short description changed.
2008-01-01 Changed Code description changed.
1998-01-01 Added First appearance in code book in 1998.
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