CPT code 42340 denotes sialolithotomy, the surgical removal of a stone from a salivary gland, with the parotid gland commonly implicated. This procedure matters nationally because salivary gland obstructions can cause recurrent pain, infection, decreased oral function, and may require timely surgical intervention to prevent complications and restore quality of life. Clinically, sialolithotomy is a targeted, often minimally invasive head and neck procedure performed in outpatient surgical settings.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise clinical context for the code, benchmarks where available, and a summary of typical service settings and procedural intent. The publication outlines billing and documentation considerations tied to the procedure's surgical nature and expected sites of service, and it notes when input data were not provided.

What readers will learn: the clinical definition and typical use of CPT code 42340; primary sites of service and procedural setting; which major payers are included in payer coverage discussion; and where input data were unavailable. Data not provided in the input are clearly identified so users can seek supplemental payer-specific policy or coding guidance as needed.