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Official Description

Excision, tumor, soft tissue of face or scalp, subcutaneous; less than 2 cm

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 21011 refers to the excision of a tumor located in the soft tissue of the face or scalp, specifically when the tumor is subcutaneous and measures less than 2 cm. Soft tissues encompass a variety of structures, including subcutaneous fat, connective tissue, fascia, muscles, tendons, blood vessels, lymph vessels, nerves, and the tissues surrounding joints. Tumors that arise in these soft tissues can be either benign or malignant. Typically, benign tumors are treated through excision, while small malignant or indeterminate tumors may also be excised if they have well-defined margins. The procedure involves careful planning based on the tumor's location, which may require incising the skin directly over the tumor, creating and elevating a skin flap, or making a series of incisions along natural skin creases to facilitate exposure of the tumor. Once the overlying tissue is dissected, the soft tissue mass is exposed, allowing for the excision of the tumor along with a margin of healthy tissue to ensure complete removal. In some cases, a frozen section may be performed to verify that all margins are free of tumor cells, which is crucial for ensuring that the tumor has been completely excised. After the tumor is removed, drains may be placed as necessary, and the surgical wound is typically closed in layers to promote proper healing. For tumors located in the subcutaneous fat or connective tissue, CPT® Code 21011 is applicable for masses measuring less than 2 cm, while larger masses of 2 cm or greater are coded with CPT® Code 21012. For tumors situated below the fascia, different codes are used: CPT® Code 21013 for masses less than 2 cm and CPT® Code 21014 for those 2 cm or greater. It is important to note that subfascial soft tissue tumors include those found within muscle tissue and those located in the galea aponeurotica, which is a fibrous sheet of tissue that serves as an attachment point for specific muscle fibers in the scalp.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The excision of soft tissue tumors in the face or scalp is indicated for various conditions, including:

  • Benign Tumors These tumors are typically non-cancerous and may require excision to prevent complications or for cosmetic reasons.
  • Malignant Tumors Small malignant or indeterminate tumors may be excised if they have well-defined margins, to ensure complete removal and prevent further spread.
  • Symptomatic Tumors Tumors that cause discomfort, pain, or functional impairment may also necessitate excision.

2. Procedure

The procedure for excising a soft tissue tumor of the face or scalp involves several key steps:

  • Step 1: Preparation The patient is positioned appropriately, and the surgical area is cleaned and draped to maintain a sterile environment. Local anesthesia is administered to minimize discomfort during the procedure.
  • Step 2: Incision Depending on the tumor's location, the surgeon may make an incision directly over the tumor, create a skin flap, or utilize a series of incisions along natural skin creases to enhance cosmetic outcomes.
  • Step 3: Dissection The overlying tissue is carefully dissected to expose the soft tissue mass. This step requires precision to avoid damaging surrounding structures.
  • Step 4: Tumor Excision The tumor is excised along with a margin of healthy tissue to ensure complete removal. This margin is critical for preventing recurrence and ensuring that no malignant cells remain.
  • Step 5: Frozen Section Analysis If indicated, a frozen section may be performed during the procedure to confirm that the margins are free of tumor cells, providing immediate feedback on the adequacy of the excision.
  • Step 6: Closure After the tumor is removed, the surgical site is closed in layers. Drains may be placed if necessary to prevent fluid accumulation, and the skin is sutured to promote optimal healing.

3. Post-Procedure

Post-procedure care involves monitoring the surgical site for signs of infection, ensuring proper wound healing, and managing any discomfort. Patients are typically advised on how to care for the incision site, including keeping it clean and dry. Follow-up appointments may be scheduled to assess healing and to remove sutures if non-absorbable materials were used. Additionally, patients should be informed about potential signs of complications, such as increased redness, swelling, or drainage from the incision site, and instructed to contact their healthcare provider if these occur.

Short Descr EXC FACE LES SC <2 CM
Medium Descr EXCISION TUMOR SOFT TISS FACE/SCALP SUBQ <2CM
Long Descr Excision, tumor, soft tissue of face or scalp, subcutaneous; less than 2 cm
Status Code Active Code
Global Days 090 - Major Surgery
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) 2 - Payment restriction for assistants at surgery does not apply 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 Hospital Part B services paid through a comprehensive APC
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) P6A - Minor procedures - skin
MUE 4
CCS Clinical Classification 170 - Excision of skin lesion
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).
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.
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.
52 Reduced services: under certain circumstances a service or procedure is partially reduced or eliminated at the discretion of the physician or other qualified health care professional. under these circumstances the service provided can be identified by its usual procedure number and the addition of modifier 52, signifying that the service is reduced. this provides a means of reporting reduced services without disturbing the identification of the basic service. note: for hospital outpatient 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).
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).
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.
74 Discontinued out-patient hospital/ambulatory surgery center (asc) procedure after administration of anesthesia: due to extenuating circumstances or those that threaten the well being of the patient, the physician may terminate a surgical or diagnostic procedure after the administration of anesthesia (local, regional block(s), general) or after the procedure was started (incision made, intubation started, scope inserted, etc). under these circumstances, the procedure started but terminated can be reported by its usual procedure number and the addition of modifier 74. note: the elective cancellation of a service prior to the administration of anesthesia and/or surgical preparation of the patient should not be reported. for physician reporting of a discontinued procedure, see modifier 53.
76 Repeat procedure or service by same physician or other qualified health care professional: it may be necessary to indicate that a procedure or service was repeated by the same physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 76 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.)
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.)
80 Assistant surgeon: surgical assistant services may be identified by adding modifier 80 to the usual procedure number(s).
AG Primary physician
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
E1 Upper left, eyelid
E2 Lower left, eyelid
E3 Upper right, eyelid
GA Waiver of liability statement issued as required by payer policy, individual case
GC This service has been performed in part by a resident under the direction of a teaching physician
GK Reasonable and necessary item/service associated with a ga or gz modifier
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
LT Left side (used to identify procedures performed on the left side of the body)
Q1 Routine clinical service provided in a clinical research study that is in an approved clinical research study
RT Right side (used to identify procedures performed on the right side of the body)
SG Ambulatory surgical center (asc) facility 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
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
Date
Action
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2013-01-01 Changed Description Changed
2010-01-01 Added -
1989-12-31 Deleted Code deleted.
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