42509 Parotid duct diversion
Also known as: parotid duct diversion, complex duct rerouting
Surgical diversion of the parotid duct with more complex reconstruction or rerouting to an alternative site with additional procedures.
In Plain Language
complex rerouting of parotid duct
Clinical Context
Complex parotid duct diversion with flap creation, extensive oral reconstruction, or management of Frey syndrome with significant tissue involvement.
RVU Breakdown
| Work RVU | 11.47 |
| Total RVU | 11.47 |
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 11.47, this code ranks in the 64th percentile among Surgery codes — 1.4x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 42509?
CPT 42509 (Parotid duct diversion) is a Surgery code. Surgical diversion of the parotid duct with more complex reconstruction or rerouting to an alternative site with additional procedures.
What is the wRVU value for CPT 42509?
The work RVU for CPT 42509 is 11.47. This code is primarily used by Oral Surgery, Head and Neck Surgery. It has a 90-day global period.
When is CPT 42509 used?
Complex parotid duct diversion with flap creation, extensive oral reconstruction, or management of Frey syndrome with significant tissue involvement.
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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.