CPT 42410 Parotid Tumor Excision Reimbursement | OpenPayer

Summary & Overview

CPT 42410: Excision of Tumor, Lateral Parotid Lobe, No Nerve Dissection

CPT code 42410 denotes excision of a tumor from the lateral lobe of the parotid gland without dissection of the facial nerve. This code captures a focused partial parotidectomy performed when the lesion is lateral and nerve exploration is not indicated. Nationally, accurate use of this code supports correct surgical categorization, quality measurement, and payment alignment for head and neck surgical services.

Key payers referenced include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise clinical context for the procedure, typical sites of service, and the most relevant billing considerations. The publication summarizes benchmark patterns, common modifier usage, and areas of policy attention that affect coding and reimbursement for parotid surgeries.

The report provides benchmarks for utilization and allowed amounts where available, notes common modifiers applied to head and neck surgical services, and outlines clinical scenarios in which 42410 is appropriate versus procedures requiring formal nerve dissection. Data not available in the input is explicitly noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareCPT 42410parotidectomyhead and neck surgerypartial parotidectomysurgical oncologyambulatory surgerysurgical codingprocedure coding

Billing Code Overview

CPT code 42410 describes the surgical removal of a tumor from the lateral lobe of the parotid gland without dissection of the facial nerve. This procedure is a partial parotidectomy focused on excising a lateral-lobe lesion while preserving the main trunk and branches of the facial nerve when nerve exploration or formal dissection is not required.

Service type: Surgical excision of a parotid tumor (partial parotidectomy/lateral lobectomy)
Typical site of service: Hospital inpatient or outpatient surgical facility, and ambulatory surgery center depending on patient and procedure factors.

Data not available in the input for associated taxonomies, specific ICD-10 diagnoses, and related codes.

Clinical & Coding Specifications

Clinical Context

A typical patient is a 45–65-year-old adult presenting with a painless, slowly enlarging mass in the preauricular region over the lateral aspect of the parotid gland. Clinical evaluation includes history, focused head and neck exam, ultrasound or MRI to define tumor size and relationship to the facial nerve, and fine-needle aspiration (FNA) or core biopsy to assess for benign versus malignant pathology. The surgical plan is a partial superficial parotidectomy — excision of a tumor confined to the lateral (superficial) lobe of the parotid gland without formal dissection or sacrifice of the facial nerve, corresponding to 42410.

Preoperative workflow includes informed consent, preoperative imaging review, anesthesia evaluation (most commonly general anesthesia), and marking of incision lines (typically a modified Blair or preauricular incision). Intraoperative steps include skin incision, subcutaneous dissection to expose the superficial lobe, identification and preservation of the main trunk and branches of the facial nerve without formal nerve dissection, excision of the tumor with margin control, hemostasis, and layered closure with or without drain placement. Postoperative care involves pain control, wound care, facial nerve function assessment, and pathology review to confirm diagnosis and margins. Follow-up scheduling is arranged for suture removal and surveillance imaging or clinic visits based on final pathology.

Coding Specifications

Modifier	Description	When to Use
`22`

Related Codes

CPT-42450-SUBLINGUAL-GLAND-EXCISION

CPT 42450: Sublingual Gland Excision

CPT-42426-PAROTIDECTOMY-TOTAL-WITH-RADICAL-NECK-DISSECTION-UNILATERAL

CPT 42426: Total Parotidectomy with Unilateral Radical Neck Dissection

CPT-42405-SALIVARY-GLAND-BIOPSY-EXTERNAL-INCISION

CPT 42405: Open Salivary Gland Biopsy with Pathology

CPT-42425-PAROTID-GLAND-REMOVAL-EN-BLOC-WITHOUT-FACIAL-NERVE-PRESERVATION

CPT 42425: Parotid Gland Removal with Tumor, No Facial Nerve Preservation

CPT-42400-PERCUTANEOUS-SALIVARY-GLAND-BIOPSY

CPT 42400: Percutaneous Salivary Gland Biopsy

CPT-42420-PAROTIDECTOMY-FACIAL-NERVE-PRESERVATION

CPT 42420: Parotidectomy with Facial Nerve Dissection and Preservation

CPT-42409-MARSUPIALIZATION-SUBLINGUAL-SALIVARY-CYST

CPT 42409: Marsupialization of Sublingual Salivary Cyst

CPT-42440-SUBMANDIBULAR-GLAND-EXCISION

CPT 42440: Submandibular Gland Excision

CPT-42408-RANULA-EXCISION-FLOOR-OF-MOUTH

CPT 42408: Excision of Ranula, Floor of Mouth

CPT-42415-PAROTID-LATERAL-LOBE-EXCISION-FACIAL-NERVE-PRESERVATION

CPT 42415: Excision of Lateral Parotid Lobe with Facial Nerve Preservation

Taxonomy Code	Specialty	Notes
2080P0206X	Otolaryngology (ENT)	Most common specialty performing parotid tumor excision.
207L00000X	Oral and Maxillofacial Surgery	Performs parotid region and facial soft tissue surgery in some systems.
2084P0800X	Plastic Surgery	Provides complex parotid and facial reconstruction, especially for contour or cosmetic concerns.
2080S0121X	Head and Neck Surgical Oncology	Manages malignant parotid tumors and oncologic resections.
363LF0000X	General Surgery	May perform parotid surgery in some practice settings, less commonly than ENT or plastics.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`D11.0`	Benign neoplasm of parotid gland	Most common indication for superficial parotid tumor excision.
`C07`	Malignant neoplasm of parotid gland	Malignant tumors of the parotid may require resection of the lateral lobe; extent depends on staging.
`K11.3`	Sialadenitis (chronic)	Chronic inflammatory disease can cause masses or symptomatic enlargement prompting partial parotidectomy.
`R22.2`	Localized swelling, mass and lump, neck	Symptom code used when a neck or parotid mass is the presenting problem leading to `42410`.
`D36.1`	Neoplasm of uncertain behavior of major salivary glands	Used for lesions with uncertain malignant potential requiring excision and pathology.
`T81.4XXA`	Infection following a procedure, initial encounter	Postoperative diagnosis code if patient develops a post-surgical infection (used as applicable).
`G51.0`	Bell's palsy	Not an indication for parotidectomy but relevant for differential diagnosis and facial nerve assessment prior to surgery.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`42400`	Excision of superficial portion of parotid gland; partial superficial parotidectomy including superficial lobe tumor excision	Alternative or closely related code for small superficial parotid resections; often compared to `42410` in selection based on extent.
`42415`	Excision of deep lobe of parotid gland	Performed when tumor involves the deep lobe or extends beyond the lateral lobe; may follow imaging or intraoperative findings.
`69990`	Microsurgical techniques (used for facial nerve repair)	Used if intraoperative facial nerve repair or grafting is required during or after tumor excision.
`15734`	Muscle, myocutaneous, or fasciocutaneous flap with microvascular anastomosis	Applied when reconstruction after tumor excision requires free flap coverage for larger defects.
`69980`	Microsurgical techniques, requiring an operating microscope	May be used for delicate facial nerve work or nerve grafting when required.
`20220`	Excision of benign lesion of parotid gland, external approach	Related historical codes; used in some contexts for benign parotid lesions depending on approach and extent.