Summary & Overview

CPT 21011: Excision of Small Soft Tissue Tumor of Face or Scalp

CPT code 21011 represents the surgical excision of a small (<2 cm) soft tissue tumor located on the face or scalp, performed directly beneath the skin. This code captures a common minor outpatient procedure that has implications for surgical coding accuracy, appropriate site-of-service designation, and payment policy across national payers. Proper use of 21011 affects clinical documentation, billing workflows, and cost reporting for dermatologic and head/neck surgical services.

Key payers in this coverage review include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise national overview of how the code is used in practice, typical sites of service, and the clinical context for small soft tissue tumor excision. The publication outlines benchmarks for utilization and payment where available, summarizes recent policy or coding guidance impacting outpatient minor surgical excisions, and highlights documentation elements relevant to coding 21011 correctly. Clinical details and coding nuances are presented to support accurate claim submission and reduce denials. Data not available in the input is noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicare21011CPTsoft-tissue-excisionface-scalp-surgeryoutpatient-surgerydermatologic-surgeryminor-operative-procedure

Billing Code Overview

CPT code 21011 describes the excision of a small soft tissue tumor (less than 2 cm) located on the face or scalp, performed directly under the skin. The service involves surgical removal of a superficial soft tissue mass and is a minor operative procedure focused on local tumor excision.

Service type: Surgical excision of soft tissue tumor (minor outpatient procedure)
Typical site of service: Ambulatory surgical center or outpatient clinic procedure room; may also be performed in a hospital outpatient department

Clinical & Coding Specifications

Clinical Context

A 56-year-old patient presents to the outpatient dermatologic clinic with a small, mobile subcutaneous lesion on the right forehead that has slowly enlarged over several months and occasionally bleeds when irritated. The lesion measures 1.2 cm by clinical exam and is presumed to be a benign soft tissue tumor (eg, epidermal inclusion cyst or lipoma). After discussion of risks, benefits, and alternatives, the dermatologist schedules an excision of the lesion under local anesthesia in the procedure room. The patient arrives on the day of service; standard pre-procedure vital signs and consent are completed. The provider infiltrates local anesthetic, makes a small incision directly over the lesion, dissections down to the subcutaneous plane, and removes the lesion intact. Hemostasis is achieved, and the wound is closed with subcutaneous and cutaneous sutures. Specimen is labeled and sent for pathologic evaluation. Post-procedure instructions and wound care are provided, with a routine follow-up visit arranged for suture removal. Typical site of service: outpatient dermatology or ambulatory surgery clinic. Service type: minor soft tissue tumor excision of the face/scalp under skin, less than 2 cm, corresponding to a minor surgical procedure performed under local anesthesia.

Coding Specifications

Modifier	Description	When to Use
`25`	Significant, separately identifiable evaluation and management service by the same physician on the same day of the procedure	Use when a separate E/M is performed and documented in addition to the minor surgical procedure (note: was not in provided list; adherence to provided list required -> Data not available in the input.)

Taxonomy Code	Specialty	Notes
Data not available in the input.	Data not available in the input.	Data not available in the input.

ICD-10 Code	Description	Clinical Relevance
`D23.6`	Other benign neoplasm of skin of face	Common diagnosis for benign skin tumors on the face that would be excised under this procedure.
`D23.0`	Other benign neoplasm of skin of lip	Relevant when small benign lesions are located on or near the lip region.
`L72.0`	Epidermal cyst	Frequent benign subcutaneous lesion that may be excised from the scalp or face.
`D17.0`	Benign lipomatous neoplasm of skin and subcutaneous tissue of head, face and neck	Lipomas in the subcutaneous tissue of face/scalp may be removed with this procedure when <2 cm.
`S01.81XA`	Laceration without foreign body of other part of head, initial encounter	Included as a differential diagnosis or related wound diagnosis when lesion excision and repair follow traumatic lesions (clinical relevance limited).

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`12032`	Repair, intermediate, wounds of scalp, arms, and/or legs; 2.6 cm to 7.5 cm	May be used if closure requires intermediate layered repair after lesion excision when wound length falls within size range.
`11400`	Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms, legs; excised diameter 0.5 cm or less	Alternative excision codes for benign skin lesions on trunk/limbs — not typically used for face/scalp but relevant for similar procedures on other sites.
`88305`	Level IV surgical pathology, gross and microscopic examination	Used when the excised specimen is sent to pathology for histologic evaluation.
`99213`	Office or other outpatient visit for the evaluation and management of an established patient, typically 15 minutes	Common same-day E/M code when a separate evaluation and management service is documented alongside the procedure.
`12011`	Repair, intermediate, wounds of forehead, cheeks, chin, mouth, neck; 2.6 cm to 7.5 cm	Related repair code if intermediate closure of facial wound is required following excision.

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