40800 Drainage of mouth lesion
Also known as: oral abscess drainage, mucocele drainage
Drainage of abscess or cyst-like lesion in the mouth including mucocele or other oral cavity lesions. Incision and drainage procedure.
In Plain Language
draining an infection or fluid pocket in the mouth
Clinical Context
Used for oral abscesses, mucoceles, or other cystic lesions causing symptoms. May be simple drainage without need for complete excision.
RVU Breakdown
| Work RVU | 1.20 |
| Total RVU | 1.20 |
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 10-day global period — follow-up visits within 10 days of the procedure are included in the reimbursement. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 1.20, this code ranks in the 6th percentile among Surgery codes — 6.7x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 40800?
CPT 40800 (Drainage of mouth lesion) is a Surgery code. Drainage of abscess or cyst-like lesion in the mouth including mucocele or other oral cavity lesions. Incision and drainage procedure.
What is the wRVU value for CPT 40800?
The work RVU for CPT 40800 is 1.20. This code is primarily used by Oral Surgery, General Surgery, ENT. It has a 10-day global period.
When is CPT 40800 used?
Used for oral abscesses, mucoceles, or other cystic lesions causing symptoms. May be simple drainage without need for complete excision.
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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.