Summary & Overview
CPT 21015: Radical Excision of Small Tumor on Face or Scalp
CPT code 21015 designates a radical excision of a small tumor or abnormal mass from the face or scalp performed when malignancy is known or suspected. It captures an oncologic surgical approach that emphasizes wide, extensive resection of facial or scalp lesions to remove invasive tissue and reduce local recurrence risk. Nationally, this code is relevant for surgical oncology, dermatologic surgery, and otolaryngology practices that manage skin and soft-tissue cancers of the head and neck.
Key payers covered in typical analyses include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a clinical context for when the code is used, typical sites of service, and operational considerations for hospital-based and outpatient surgical settings. The publication summarizes common billing practices, typical modifiers referenced in other sections, and related service-line implications for surgical oncology and dermatology.
This report helps clinicians, coders, and administrators understand the scope of services represented by CPT code 21015, what to expect clinically when the code is reported, and where to look for further details on reimbursement benchmarks, coding guidance, and payer-specific policies.
Billing Code Overview
CPT code 21015 describes a radical excision of a small tumor or abnormal mass from the face or scalp. The procedure is performed when a lesion is known or suspected to be malignant and requires an extensive resection to ensure removal of potentially invasive tissue.
Service type: Radical surgical excision (oncologic resection)
Typical site of service: Operative setting — outpatient surgical suite or hospital operating room (face or scalp)
Data not available in the input for payers, associated taxonomies, and ICD-10 diagnoses.
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult presenting to a dermatologic or head and neck surgical clinic with a firm, irregular, or rapidly growing cutaneous mass on the face or scalp that is clinically suspicious for malignancy (for example, recurrent basal cell carcinoma, squamous cell carcinoma, or a high-risk adnexal tumor). The patient may have a biopsy report indicating malignancy or an indeterminate lesion with concerning features prompting definitive excision. Preoperative evaluation includes focused history, targeted physical exam with lesion mapping and photographic documentation, review of prior pathology, and discussion of risks including nerve injury and cosmetic outcomes. The procedure is performed in an ambulatory surgical center or hospital outpatient department under local anesthesia with sedation or general anesthesia depending on lesion size, depth, location, and patient factors. The surgeon performs a radical resection to achieve appropriate oncologic margins, which may include excision down to and into subcutaneous tissue, periosteum, or superficial bone if involved. Intraoperative steps commonly include wide local excision with margin assessment, possible frozen section or specimen orientation for permanent pathology, layered wound closure, and consideration of immediate reconstruction (e.g., local flap, full-thickness skin graft). Postoperative workflow includes recovery monitoring, wound care instructions, pathology follow-up for margin status, and referral for additional therapy (radiation or further resection) if margins are positive or aggressive histology is confirmed. Typical sites of service: ambulatory surgery center, hospital outpatient department, or operating room when general anesthesia is required.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when the work required is substantially greater than typically required (document specific reasons). |
23 | Unusual anesthesia | Use when general anesthesia is used for a procedure that normally requires only local/monitored anesthesia. |
26 | Professional component | Use when billing only the professional interpretation or surgical service separate from technical facility components (rare for excisions). |
50 | Bilateral procedure | Use when essentially the same radical excision is performed on both sides of the face/scalp in the same session. |
51 | Multiple procedures | Use when 21015 is performed in conjunction with other distinct surgical procedures during the same operative session. |
52 | Reduced services | Use when the procedure is partially reduced or not completed as originally planned. |
53 | Discontinued procedure | Use when the procedure is terminated due to extenuating circumstances or patient safety concerns. |
62 | Two surgeons | Use when two surgeons from different specialties work together as primary surgeons performing distinct portions of the radical resection. |
80 | Assistant surgeon | Use when a surgical assistant (not another primary surgeon) participates and is eligible to bill. |
62 | (duplicate avoided in table above) |
| Taxonomy Code | Specialty | Notes |
|---|---|---|
| 207P00000X | Otolaryngology (ENT) | Common specialty for facial/scalp oncologic resections involving deeper structures. |
| 207N00000X | Plastic Surgery | Frequent provider for radical excision with immediate complex reconstruction. |
| 2080P0006X | Dermatology | Dermatologic surgeons perform radical excisions for skin malignancies on face/scalp. |
| 207R00000X | General Surgery | May perform scalp or facial resections in certain settings, especially scalp tumors. |
| 207H00000X | Oral and Maxillofacial Surgery | Involved when resections approach intraoral or maxillofacial structures. |
Related Diagnoses
| ICD-10 Code | Description | Clinical Relevance |
|---|---|---|
C44.311 | Squamous cell carcinoma of skin of right cheek | Common malignant cutaneous tumor prompting radical excision on the face. |
C44.312 | Squamous cell carcinoma of skin of left cheek | As above, for contralateral lesions requiring excision. |
C44.521 | Basal cell carcinoma of skin of scalp and neck, right side | Basal cell carcinoma on scalp may require extensive resection when aggressive or recurrent. |
C44.522 | Basal cell carcinoma of skin of scalp and neck, left side | Basal cell carcinoma on the left scalp/neck region requiring removal. |
C44.199 | Malignant neoplasm of skin of other part of face | Useful for face lesions not otherwise specified that need radical resection. |
Related CPT Codes
| CPT Code | Description | Relationship to This Procedure |
|---|---|---|
11646 | Excision, malignant lesion including margins, face, ears, eyelids, nose, lips; excised diameter over 4.0 cm | May be used for standard wide excisions of cutaneous malignancies when radical resection coding is performed for lesions of specific sizes; differentiates by lesion size and technique. |
14040 | Adjacent tissue transfer or rearrangement, forehead, cheeks, eyelids, nose, mouth, chin; defect 10 sq cm or less | Used when immediate local flap reconstruction is performed after radical excision to close the defect. |
15271 | Full-thickness skin graft, head and/or neck, over 30.0 sq cm | Used when reconstruction requires a full-thickness skin graft to cover the defect resulting from radical excision. |
88342 | Surgical pathology, gross and microscopic examination with frozen section(s) | Used when intraoperative frozen section margin assessment is performed to evaluate adequacy of resection. |
11042 | Debridement, muscle and/or fascia and/or bone | Rarely used when deep resection involves removal of infected or necrotic tissue extending to deeper levels; applicable if debridement coding criteria met. |