31040 Exploration behind upper jaw
Also known as: pterygoid exploration, pterygopalatine fossa exploration, maxillary exploration
Surgical exploration of the pterygopalatine fossa and superior maxillary region, typically via Caldwell-Luc or infraorbital approach.
In Plain Language
deep facial area surgery
Clinical Context
Exploration of deep maxillary and pterygoid regions for tumor, infection, or vascular lesion. Complex procedure requiring special expertise due to proximity to orbital and intracranial structures.
RVU Breakdown
| Work RVU | 9.53 |
| Total RVU | 9.53 |
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 9.53, this code ranks in the 57th percentile among Surgery codes — 1.2x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 31040?
CPT 31040 (Exploration behind upper jaw) is a Surgery code. Surgical exploration of the pterygopalatine fossa and superior maxillary region, typically via Caldwell-Luc or infraorbital approach.
What is the wRVU value for CPT 31040?
The work RVU for CPT 31040 is 9.53. This code is primarily used by Otolaryngology, Head and Neck Surgery. It has a 90-day global period.
When is CPT 31040 used?
Exploration of deep maxillary and pterygoid regions for tumor, infection, or vascular lesion. Complex procedure requiring special expertise due to proximity to orbital and intracranial structures.
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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.