40818 Excise oral mucosa for graft
Also known as: mucosal graft harvest, intraoral donor site
Excision of oral mucosa for use as graft material. Harvesting mucosa for grafting to other sites.
In Plain Language
taking mouth tissue for a graft
Clinical Context
Used to obtain oral mucosal graft material for reconstruction elsewhere in the mouth or head/neck region.
RVU Breakdown
| Work RVU | 2.76 |
| Total RVU | 2.76 |
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 2.76, this code ranks in the 19th percentile among Surgery codes — 2.9x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 40818?
CPT 40818 (Excise oral mucosa for graft) is a Surgery code. Excision of oral mucosa for use as graft material. Harvesting mucosa for grafting to other sites.
What is the wRVU value for CPT 40818?
The work RVU for CPT 40818 is 2.76. This code is primarily used by Oral Surgery, Plastic Surgery, General Surgery. It has a 90-day global period.
When is CPT 40818 used?
Used to obtain oral mucosal graft material for reconstruction elsewhere in the mouth or head/neck region.
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against MGMA data — all in one app.
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.