21010 Incision of jaw joint
Also known as: TMJ arthrotomy, jaw joint incision
Surgical incision into the temporomandibular joint for diagnostic or therapeutic purposes.
In Plain Language
surgical opening of jaw joint; incision into jaw hinge
Clinical Context
Performed for TMJ pathology including internal derangement, arthritis, or loose bodies.
RVU Breakdown
| Work RVU | 10.76 |
| Total RVU | 10.76 |
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 10.76, this code ranks in the 61st percentile among Surgery codes — 1.3x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 21010?
CPT 21010 (Incision of jaw joint) is a Surgery code. Surgical incision into the temporomandibular joint for diagnostic or therapeutic purposes.
What is the wRVU value for CPT 21010?
The work RVU for CPT 21010 is 10.76. This code is primarily used by Oral and Maxillofacial Surgery, Orthopedic Surgery. It has a 90-day global period.
When is CPT 21010 used?
Performed for TMJ pathology including internal derangement, arthritis, or loose bodies.
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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.