Summary & Overview
CPT 69502: Complete Mastoidectomy
CPT code 69502 represents a complete mastoidectomy, a surgical procedure to remove diseased mastoid air cells typically performed in an operating room setting. Nationally, this code is used in otologic surgery and is relevant to hospital and ambulatory surgical workflows, surgical coding accuracy, and payment policies for ear surgery procedures. Accurate coding affects clinical documentation, billing integrity, and resource allocation for surgical services.
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 procedure, common billing considerations, and national benchmarking references where available. The publication also summarizes payment and coverage patterns, applicable modifiers and their implications for claim adjudication, and any notable policy updates or coding guidance that affect use of CPT code 69502.
This piece is intended to help coding professionals, revenue cycle staff, and clinical leaders understand where 69502 fits within surgical service lines, common sites of service, and payer coverage landscapes. It highlights documentation priorities and coding scenarios that commonly arise with complete mastoidectomy cases.
Billing Code Overview
CPT code 69502 describes a complete mastoidectomy, a surgical procedure involving removal of diseased mastoid air cells and diseased mastoid cortex. The service type is surgical and the typical site of service is the operating room in an acute care hospital or ambulatory surgery center.
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Clinical & Coding Specifications
Clinical Context
A 45-year-old patient presents with chronic suppurative otitis media unresponsive to prolonged medical therapy, persistent mastoiditis with cholesteatoma on imaging, and recurrent tympanic membrane perforation with hearing loss and recurrent infections. After otologic evaluation including audiometry and CT scan of the temporal bones demonstrating coalescent mastoid air cell disease and ossicular erosion, the surgical team schedules a complete mastoidectomy. The procedure is performed in an operating room under general anesthesia with the patient in a supine position and head turned to expose the affected ear. The surgeon removes diseased mastoid air cells, eradicates cholesteatoma, inspects and reconstructs the ossicular chain as needed, and performs any necessary tympanoplasty. Typical perioperative workflow includes preoperative antibiotic administration, intraoperative nerve monitoring as indicated, placement of mastoid dressing, and postoperative otologic follow-up with wound checks and audiometric reassessment.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
11 | Normal, postoperative recovery | Use when service is the usual, expected service by the performing surgeon |
22 | Increased procedural services |