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CPT 61595: Transtemporal Approach to Posterior Cranial Fossa/Skull Base
CPT code 61595 denotes a transtemporal surgical approach to lesions of the posterior cranial fossa, jugular foramen, or midline skull base, often involving mastoidectomy and possible decompression of the sigmoid sinus or facial nerve. This code is used to report complex skull base approaches that facilitate access to deep-seated or anatomically constrained intracranial lesions and is relevant for neurosurgery and otolaryngology procedural billing. Nationally, accurate use of this code affects procedure attribution, hospital case mix, and reimbursement for high-complexity cranial base surgery.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for the approach, typical sites of service, and common billing considerations. The publication outlines payer coverage patterns and benchmarking themes where available, highlights documentation points that support appropriate code selection, and summarizes related coding topics for skull base surgery. This resource is intended to inform billing specialists, coding compliance officers, and clinical teams about the clinical intent and administrative relevance of CPT code 61595 in national practice settings.
Data not available in the input for associated taxonomies, ICD-10 diagnoses, and related codes.
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Billing Code Overview
CPT code 61595 describes a transtemporal surgical approach to the posterior cranial fossa, jugular foramen, or midline skull base. The procedure may include a mastoidectomy and/or decompression of the sigmoid sinus and/or facial nerve. The specific approach chosen depends on the location and size of the lesion.
Service type: Skull base / neurosurgical operative approach
Typical site of service: Hospital operating room or tertiary surgical center (inpatient or outpatient surgical facility depending on patient and procedure complexity)