Find policies, billing codes, payers, states, and providers

CPT 40510: Lip Wedge Excision with Simple Closure

CPT code 40510 denotes a wedge excision of the lip with simple suture closure, used to remove diseased tissue for diagnostic evaluation or to provide cosmetic lip repair. Nationally, this code captures a range of minor surgical procedures across outpatient and ambulatory settings and is relevant to surgical, dermatologic, and oral-maxillofacial service lines. It matters for payers and providers because correct coding affects claims processing, clinical documentation, and reimbursement consistency for commonly performed lip excisions.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context for CPT code 40510, typical sites of service, and the service type. The publication also provides benchmarking information and policy context where available, highlights common billing considerations, and outlines coding relationships to related surgical and dermatologic procedures. Where specific data is not provided in the input, the text will note that the data is not available in the input.

Customize your policy alerts

Sign up for cpt 40510 policy alerts

Get alerted when payer policies referencing 40510 are released or updated.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Billing Code Overview

CPT code 40510 describes an operative procedure in which the provider excises a portion of the lip in a wedge shape and closes the defect with simple sutures. The procedure is commonly performed to remove diseased tissue for diagnostic purposes or to achieve cosmetic enhancement of the lip.

Service type: Minor surgical excision / reconstructive soft-tissue procedure
Typical site of service: Outpatient surgical suite, ambulatory surgery center, or clinic procedure room

Find policies, billing codes, payers, states, and providers

CPT 40510: Lip Wedge Excision with Simple Closure

Customize your policy alerts

Sign up for cpt 40510 policy alerts

Get alerted when payer policies referencing 40510 are released or updated.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Billing Code Overview

Service type: Minor surgical excision / reconstructive soft-tissue procedure
Typical site of service: Outpatient surgical suite, ambulatory surgery center, or clinic procedure room

Clinical & Coding Specifications

Clinical Context

A typical patient is an adult presenting to a dermatology or plastic surgery clinic with a localized lesion of the lip such as a suspicious pigmented or indurated papule, a small skin cancer (e.g., squamous cell carcinoma or basal cell carcinoma), or a cosmetically bothersome vermilion defect. After clinical evaluation and, when indicated, biopsy or imaging, the surgeon schedules a wedge excision of the lip to remove the lesion with narrow margins and restore contour. The procedure is commonly performed under local anesthesia with or without sedation in an outpatient minor procedure room, ambulatory surgical center, or hospital outpatient department. The workflow includes preoperative counseling and consent, local infiltration with anesthetic, excision of a full-thickness wedge of lip tissue, hemostasis, layered closure with simple sutures to reapproximate mucosa and skin, specimen orientation and submission to pathology when the intent is diagnostic or curative, and routine postoperative instructions for wound care and follow-up for suture removal and pathology review.

Coding Specifications

Modifier	Description	When to Use
`26`	Professional component	When reporting only the physician’s professional portion if the technical component is billed separately
`50`	Bilateral procedure	If the same wedge excision is performed on both left and right lips during the same session
`51`	Multiple procedures	When more than one distinct procedure is performed at the same session and carrier requires reporting of multiple procedures
`52`	Reduced services	If the procedure is partially reduced or not completed as planned
`53`	Discontinued procedure	If the procedure was started but terminated due to extenuating circumstances
`59`	Distinct procedural service	When another distinct procedure unrelated to the excision is performed at a separate anatomic site during the same encounter
`62`	Two surgeons	When two surgeons work together as primary surgeons on the same operative field
`66`	Surgical team	When a surgical team approach is used and reporting requires team modifier
`78`	Return to OR for related procedure during global period	If patient returns to the operating room for a related procedure during the global period for postoperative complications
`79`	Unrelated procedure or service during global period	If an unrelated procedure is performed during the postoperative global period
`LT`	Left side	When the procedure is performed on the left lip or left-sided portion
`RT`	Right side	When the procedure is performed on the right lip or right-sided portion
`22`	Increased procedural services	When work, time, or complexity substantially exceeds typical for the procedure
`59`	Distinct procedural service	Use when an additional, separate procedure is performed at the same session and documentation supports distinctness

Taxonomy Code	Specialty	Notes
207P00000X	Dermatology	Dermatologists frequently perform diagnostic and therapeutic excisions of lip lesions
208400000X	Plastic Surgery	Plastic surgeons perform wedge excision for oncologic resection and cosmetic reconstruction
207X00000X	Otolaryngology (ENT)	ENTs manage mucocutaneous and reconstructive lip procedures, especially when oral mucosa is involved
363L00000X	Oral and Maxillofacial Surgery	OMFS perform full‑thickness lip excisions and complex closures when intraoral involvement exists
208600000X	General Surgery	General surgeons may perform lip excisions in some settings, particularly in hospital outpatient departments

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`C44.0`	Malignant neoplasm of skin of lip	Common indication when wedge excision is performed for oncologic diagnosis or treatment
`D49.2`	Neoplasm of uncertain behavior of skin	Used for lesions submitted for diagnostic excision when malignancy is uncertain
`D23.0`	Other benign neoplasm of skin of lip	Benign lesions (e.g., mucoceles, fibromas) that may be excised for symptoms or cosmesis
`L72.9`	Follicular cyst, unspecified	Cystic lesions of the lip that can be removed via wedge excision when symptomatic
`K13.2`	Benign neoplasm of lip and oral mucosa	Intraoral or vermilion lesions requiring excision and histologic evaluation
`R22.2`	Localized swelling, mass and lump, face	Non-specific presenting sign prompting diagnostic excision
`L98.9`	Disorder of the skin and subcutaneous tissue, unspecified	General code when a specific dermatologic diagnosis is not yet established but excision is indicated

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`11102`	Tangential biopsy of skin (e.g., shave, scoop), single lesion	Performed when a preliminary diagnostic shave biopsy is obtained before planned wedge excision
`11100`	Tangential biopsy of skin, single lesion	Alternative biopsy technique used in initial diagnostic workup prior to full excision
`11640`	Excision, malignant lesion including margins, scalp, neck, hands, feet, mucous membrane; excised diameter 0.5 cm or less	For larger or malignant lip lesions where excision with margins is performed; used when pathology indicates malignancy and wider excision is required
`12031`	Repair, intermediate, wounds of face, ears, eyelids, nose, lips; 2.6 cm to 7.5 cm	When more complex layered closure is required beyond simple closure after wedge excision
`17000`	Destruction of premalignant lesion (e.g., actinic keratosis); first lesion	Used when superficial destruction rather than excision is performed for premalignant lip lesions in the same episode
`88305`	Surgical pathology, gross and microscopic examination	Used to bill the pathology examination of the excised lip specimen when submitted for diagnostic evaluation

Related Codes

CPT-40490-LIP-BIOPSY-INCISIONAL

CPT 40490: Incisional Biopsy of Lip, Diagnostic Tissue Sampling

CPT-40500-VERMILION-BORDER-EXCISION-LIP-LESION

CPT 40500: Excision of Growth From Vermilion Border, Lip

CPT-40520-LIP-LESION-EXCISION-V-SHAPED-INCISION-PRIMARY-CLOSURE

CPT 40520: V-shaped Lip Excision with Primary Linear Closure

CPT-40525-LIP-EXCISION-FULL-THICKNESS-WITH-LOCAL-FLAP-CLOSURE

CPT 40525: Full-Thickness Lip Excision with Local Flap Closure

CPT-40527-LIP-EXCISION-FULL-THICKNESS-WITH-FLAP-RECONSTRUCTION

CPT 40527: Full-Thickness Lip Excision with Flap Reconstruction

CPT-40530-LIP-EXCISION-MORE-THAN-ONE-FOURTH-NO-RECONSTRUCTION

CPT 40530: Excision of More Than One Fourth of Lip Without Reconstruction

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Jul 29, 2026.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Modifier	Description	When to Use
`26`	Professional component	When reporting only the physician’s professional portion if the technical component is billed separately
`50`	Bilateral procedure	If the same wedge excision is performed on both left and right lips during the same session
`51`	Multiple procedures	When more than one distinct procedure is performed at the same session and carrier requires reporting of multiple procedures
`52`	Reduced services	If the procedure is partially reduced or not completed as planned
`53`	Discontinued procedure	If the procedure was started but terminated due to extenuating circumstances
`59`	Distinct procedural service	When another distinct procedure unrelated to the excision is performed at a separate anatomic site during the same encounter
`62`	Two surgeons	When two surgeons work together as primary surgeons on the same operative field
`66`	Surgical team	When a surgical team approach is used and reporting requires team modifier
`78`	Return to OR for related procedure during global period	If patient returns to the operating room for a related procedure during the global period for postoperative complications
`79`	Unrelated procedure or service during global period	If an unrelated procedure is performed during the postoperative global period
`LT`	Left side	When the procedure is performed on the left lip or left-sided portion
`RT`	Right side	When the procedure is performed on the right lip or right-sided portion
`22`	Increased procedural services	When work, time, or complexity substantially exceeds typical for the procedure
`59`	Distinct procedural service	Use when an additional, separate procedure is performed at the same session and documentation supports distinctness

Taxonomy Code	Specialty	Notes
207P00000X	Dermatology	Dermatologists frequently perform diagnostic and therapeutic excisions of lip lesions
208400000X	Plastic Surgery	Plastic surgeons perform wedge excision for oncologic resection and cosmetic reconstruction
207X00000X	Otolaryngology (ENT)	ENTs manage mucocutaneous and reconstructive lip procedures, especially when oral mucosa is involved
363L00000X	Oral and Maxillofacial Surgery	OMFS perform full‑thickness lip excisions and complex closures when intraoral involvement exists
208600000X	General Surgery	General surgeons may perform lip excisions in some settings, particularly in hospital outpatient departments

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`C44.0`	Malignant neoplasm of skin of lip	Common indication when wedge excision is performed for oncologic diagnosis or treatment
`D49.2`	Neoplasm of uncertain behavior of skin	Used for lesions submitted for diagnostic excision when malignancy is uncertain
`D23.0`	Other benign neoplasm of skin of lip	Benign lesions (e.g., mucoceles, fibromas) that may be excised for symptoms or cosmesis
`L72.9`	Follicular cyst, unspecified	Cystic lesions of the lip that can be removed via wedge excision when symptomatic
`K13.2`	Benign neoplasm of lip and oral mucosa	Intraoral or vermilion lesions requiring excision and histologic evaluation
`R22.2`	Localized swelling, mass and lump, face	Non-specific presenting sign prompting diagnostic excision
`L98.9`	Disorder of the skin and subcutaneous tissue, unspecified	General code when a specific dermatologic diagnosis is not yet established but excision is indicated

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`11102`	Tangential biopsy of skin (e.g., shave, scoop), single lesion	Performed when a preliminary diagnostic shave biopsy is obtained before planned wedge excision
`11100`	Tangential biopsy of skin, single lesion	Alternative biopsy technique used in initial diagnostic workup prior to full excision
`11640`	Excision, malignant lesion including margins, scalp, neck, hands, feet, mucous membrane; excised diameter 0.5 cm or less	For larger or malignant lip lesions where excision with margins is performed; used when pathology indicates malignancy and wider excision is required
`12031`	Repair, intermediate, wounds of face, ears, eyelids, nose, lips; 2.6 cm to 7.5 cm	When more complex layered closure is required beyond simple closure after wedge excision
`17000`	Destruction of premalignant lesion (e.g., actinic keratosis); first lesion	Used when superficial destruction rather than excision is performed for premalignant lip lesions in the same episode
`88305`	Surgical pathology, gross and microscopic examination	Used to bill the pathology examination of the excised lip specimen when submitted for diagnostic evaluation

Related Codes

CPT-40490-LIP-BIOPSY-INCISIONAL

CPT 40490: Incisional Biopsy of Lip, Diagnostic Tissue Sampling

CPT-40500-VERMILION-BORDER-EXCISION-LIP-LESION

CPT 40500: Excision of Growth From Vermilion Border, Lip

CPT-40520-LIP-LESION-EXCISION-V-SHAPED-INCISION-PRIMARY-CLOSURE

CPT 40520: V-shaped Lip Excision with Primary Linear Closure

CPT-40525-LIP-EXCISION-FULL-THICKNESS-WITH-LOCAL-FLAP-CLOSURE

CPT 40525: Full-Thickness Lip Excision with Local Flap Closure

CPT-40527-LIP-EXCISION-FULL-THICKNESS-WITH-FLAP-RECONSTRUCTION

CPT 40527: Full-Thickness Lip Excision with Flap Reconstruction

CPT-40530-LIP-EXCISION-MORE-THAN-ONE-FOURTH-NO-RECONSTRUCTION

CPT 40530: Excision of More Than One Fourth of Lip Without Reconstruction

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Jul 29, 2026.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

OpenPayer

CPT 40510: Lip Wedge Excision with Simple Closure

Sign up for cpt 40510 policy alerts

Billing Code Overview

Catch payer policy changes before they impact reimbursement

Catch payer policy changes before they impact reimbursement

OpenPayer

CPT 40510: Lip Wedge Excision with Simple Closure

Sign up for cpt 40510 policy alerts

Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

CPT 40510: Lip Wedge Excision with Simple Closure

Sign up for cpt 40510 policy alerts

Billing Code Overview

CPT 40510: Lip Wedge Excision with Simple Closure

Sign up for cpt 40510 policy alerts

Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What procedure does CPT 40510 represent and where is it usually performed?

Which modifiers are commonly used with CPT 40510 and when should they be applied?

What related CPT codes might be reported alongside or instead of 40510?

Which specialties commonly perform lip wedge excision (CPT 40510)?

What diagnoses and clinical indications are commonly linked to CPT 40510?

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What procedure does CPT 40510 represent and where is it usually performed?

Which modifiers are commonly used with CPT 40510 and when should they be applied?

What related CPT codes might be reported alongside or instead of 40510?

Which specialties commonly perform lip wedge excision (CPT 40510)?

What diagnoses and clinical indications are commonly linked to CPT 40510?

References