21240 Reconstruction of jaw joint
Also known as: TMJ reconstruction, jaw joint reconstruction
Reconstruction of the temporomandibular joint (jaw joint) following degenerative disease, trauma, or congenital deformity.
In Plain Language
Repairing the jaw joint; Jaw joint surgery
Clinical Context
Used for TMJ arthritis, ankylosis, or severe dysfunction. May involve condylar repositioning or joint replacement.
RVU Breakdown
| Work RVU | 15.67 |
| Total RVU | 15.67 |
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 15.67, this code ranks in the 74th percentile among Surgery codes — 2.0x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 21240?
CPT 21240 (Reconstruction of jaw joint) is a Surgery code. Reconstruction of the temporomandibular joint (jaw joint) following degenerative disease, trauma, or congenital deformity.
What is the wRVU value for CPT 21240?
The work RVU for CPT 21240 is 15.67. This code is primarily used by Oral Surgery, Maxillofacial Surgery. It has a 90-day global period.
When is CPT 21240 used?
Used for TMJ arthritis, ankylosis, or severe dysfunction. May involve condylar repositioning or joint replacement.
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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.