31020 Exploration maxillary sinus
Also known as: maxillary exploration, sinus exploration, Caldwell-Luc approach
Surgical exploration of the maxillary sinus through a Caldwell-Luc approach with limited visualization and inspection of sinus cavity.
In Plain Language
maxillary sinus surgery
Clinical Context
Open surgical exploration of maxillary sinus for chronic disease, polyps, or tumor evaluation. Caldwell-Luc provides good access and visualization of entire maxillary cavity.
RVU Breakdown
| Work RVU | 2.99 |
| Total RVU | 2.99 |
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 2.99, this code ranks in the 21st percentile among Surgery codes — 2.7x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 31020?
CPT 31020 (Exploration maxillary sinus) is a Surgery code. Surgical exploration of the maxillary sinus through a Caldwell-Luc approach with limited visualization and inspection of sinus cavity.
What is the wRVU value for CPT 31020?
The work RVU for CPT 31020 is 2.99. This code is primarily used by Otolaryngology, Rhinology. It has a 90-day global period.
When is CPT 31020 used?
Open surgical exploration of maxillary sinus for chronic disease, polyps, or tumor evaluation. Caldwell-Luc provides good access and visualization of entire maxillary cavity.
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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.