61596 Transcochlear approach/skull
Also known as: transcochlear approach
Transcochlear approach to skull base via removal of cochlea and drilling of temporal bone for brainstem/vertebrobasilar access.
In Plain Language
Temporal bone approach removing inner ear structures
Clinical Context
Provides extensive lateral skull base exposure for large cerebellopontine angle tumors, brainstem lesions, and vertebrobasilar pathology. Sacrifices hearing.
RVU Breakdown
| Work RVU | 38.44 |
| Total RVU | 38.44 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
As a surgical CPT code, proper documentation must include the operative report detailing the procedure performed, patient positioning, approach, findings, and any complications. This code has a 90-day global period, which includes the day of the procedure, 1 day preoperative, and 90 days of postoperative care. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 38.44, this code ranks in the 97th percentile among Surgery codes — 4.8x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 61596?
CPT 61596 (Transcochlear approach/skull) is a Surgery code. Transcochlear approach to skull base via removal of cochlea and drilling of temporal bone for brainstem/vertebrobasilar access.
What is the wRVU value for CPT 61596?
The work RVU for CPT 61596 is 38.44. This code is primarily used by Neurosurgery, Otologic Surgery. It has a 90-day global period.
When is CPT 61596 used?
Provides extensive lateral skull base exposure for large cerebellopontine angle tumors, brainstem lesions, and vertebrobasilar pathology. Sacrifices hearing.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.