42340 Removal of salivary stone
Also known as: sialolith removal, complex stone removal
Surgical removal of a salivary stone with extensive gland involvement or requiring major reconstructive procedures of the salivary ductal system.
In Plain Language
removal of large or difficult salivary stone
Clinical Context
Complex sialolith removal with gland involvement, ductal stricture, or requiring gland resection or extensive reconstruction.
RVU Breakdown
| Work RVU | 4.60 |
| Total RVU | 4.60 |
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 4.60, this code ranks in the 31st percentile among Surgery codes — 1.7x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 42340?
CPT 42340 (Removal of salivary stone) is a Surgery code. Surgical removal of a salivary stone with extensive gland involvement or requiring major reconstructive procedures of the salivary ductal system.
What is the wRVU value for CPT 42340?
The work RVU for CPT 42340 is 4.60. This code is primarily used by Oral Surgery, Dentistry. It has a 90-day global period.
When is CPT 42340 used?
Complex sialolith removal with gland involvement, ductal stricture, or requiring gland resection or extensive reconstruction.
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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.